diff --git a/package-lock.json b/package-lock.json
index cad615a91..d8abf57ee 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -919,11 +919,13 @@
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       "dev": true
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@@ -950,6 +952,7 @@
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       "dev": true,
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@@ -975,18 +978,22 @@
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@@ -1061,6 +1068,7 @@
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@@ -1331,6 +1339,7 @@
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@@ -1339,6 +1348,7 @@
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@@ -1369,6 +1379,7 @@
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@@ -1383,10 +1394,12 @@
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@@ -1428,6 +1441,7 @@
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@@ -1484,6 +1498,7 @@
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@@ -1543,6 +1558,7 @@
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@@ -1582,10 +1598,12 @@
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@@ -1809,19 +1827,21 @@
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+      "version": "1.7.0",
+      "resolved": "https://registry.npmjs.org/cron/-/cron-1.7.0.tgz",
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@@ -1933,6 +1953,7 @@
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@@ -2288,10 +2312,12 @@
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@@ -2335,6 +2362,7 @@
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@@ -2346,16 +2374,19 @@
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       "dev": true
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       "dev": true
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@@ -2376,6 +2407,7 @@
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@@ -2522,10 +2554,12 @@
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@@ -2547,6 +2581,7 @@
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@@ -3299,6 +3334,7 @@
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@@ -3315,6 +3351,7 @@
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@@ -3473,6 +3510,7 @@
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@@ -3624,6 +3662,7 @@
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@@ -3632,6 +3671,7 @@
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@@ -3641,6 +3681,7 @@
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@@ -3650,10 +3691,12 @@
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       "integrity": "sha1-0Kwq1V63sL7JJqUmb2xmKqqD3KU="
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@@ -3663,6 +3706,7 @@
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@@ -3679,6 +3723,7 @@
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@@ -3686,10 +3731,12 @@
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@@ -3706,6 +3753,7 @@
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@@ -3725,6 +3773,7 @@
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@@ -3835,6 +3892,7 @@
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@@ -3956,6 +4017,7 @@
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@@ -4435,6 +4503,7 @@
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@@ -5079,6 +5159,7 @@
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@@ -5214,6 +5297,7 @@
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@@ -5288,15 +5373,18 @@
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       "version": "0.2.3",
+      "resolved": false,
       "integrity": "sha1-qpWRvKokkj8eD0hJ0kD0fvwQdaw="
     },
     "prelude-ls": {
       "version": "1.1.2",
+      "resolved": false,
       "integrity": "sha1-IZMqVJ9eUv/ZqCf1cOBL5iqX2lQ=",
       "dev": true
     },
     "process-nextick-args": {
       "version": "1.0.7",
+      "resolved": false,
       "integrity": "sha1-FQ4gt1ZZCtP5EJPyWk8q2L/zC6M="
     },
     "progress-stream": {
@@ -5421,6 +5509,7 @@
     },
     "pseudomap": {
       "version": "1.0.2",
+      "resolved": false,
       "integrity": "sha1-8FKijacOYYkX7wqKw0wa5aaChrM="
     },
     "psl": {
@@ -5547,6 +5636,7 @@
     },
     "punycode": {
       "version": "1.4.1",
+      "resolved": false,
       "integrity": "sha1-wNWmOycYgArY4esPpSachN1BhF4="
     },
     "qrcode": {
@@ -6200,10 +6290,12 @@
     },
     "require-directory": {
       "version": "2.1.1",
+      "resolved": false,
       "integrity": "sha1-jGStX9MNqxyXbiNE/+f3kqam30I="
     },
     "require-main-filename": {
       "version": "1.0.1",
+      "resolved": false,
       "integrity": "sha1-l/cXtp1IeE9fUmpsWqj/3aBVpNE="
     },
     "resolve": {
@@ -6473,6 +6565,7 @@
     },
     "set-blocking": {
       "version": "2.0.0",
+      "resolved": false,
       "integrity": "sha1-BF+XgtARrppoA93TgrJDkrPYkPc="
     },
     "set-immediate-shim": {
@@ -6487,6 +6580,7 @@
     },
     "shebang-command": {
       "version": "1.2.0",
+      "resolved": false,
       "integrity": "sha1-RKrGW2lbAzmJaMOfNj/uXer98eo=",
       "requires": {
         "shebang-regex": "^1.0.0"
@@ -6494,6 +6588,7 @@
     },
     "shebang-regex": {
       "version": "1.0.0",
+      "resolved": false,
       "integrity": "sha1-2kL0l0DAtC2yypcoVxyxkMmO/qM="
     },
     "showdown": {
@@ -6511,6 +6606,7 @@
     },
     "signal-exit": {
       "version": "3.0.2",
+      "resolved": false,
       "integrity": "sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0="
     },
     "sinon": {
@@ -6550,6 +6646,7 @@
     },
     "spdx-correct": {
       "version": "1.0.2",
+      "resolved": false,
       "integrity": "sha1-SzBz2TP/UfORLwOsVRlJikFQ20A=",
       "requires": {
         "spdx-license-ids": "^1.0.2"
@@ -6557,10 +6654,12 @@
     },
     "spdx-expression-parse": {
       "version": "1.0.4",
+      "resolved": false,
       "integrity": "sha1-m98vIOH0DtRH++JzJmGR/O1RYmw="
     },
     "spdx-license-ids": {
       "version": "1.2.2",
+      "resolved": false,
       "integrity": "sha1-yd96NCRZSt5r0RkA1ZZpbcBrrFc="
     },
     "speakeasy": {
@@ -6588,6 +6687,7 @@
     },
     "split-array-stream": {
       "version": "1.0.3",
+      "resolved": false,
       "integrity": "sha1-0rdajl4Ngk1S/eyLgiWDncLjXfo=",
       "requires": {
         "async": "^2.4.0",
@@ -6601,6 +6701,7 @@
     },
     "sprintf-js": {
       "version": "1.0.3",
+      "resolved": false,
       "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=",
       "dev": true
     },
@@ -6660,6 +6761,7 @@
     },
     "stream-events": {
       "version": "1.0.2",
+      "resolved": false,
       "integrity": "sha1-q/OfZsCJCk63lbyNXoWbJhW1kLI=",
       "requires": {
         "stubs": "^3.0.0"
@@ -6667,6 +6769,7 @@
     },
     "stream-shift": {
       "version": "1.0.0",
+      "resolved": false,
       "integrity": "sha1-1cdSgl5TZ+eG944Y5EXqIjoVWVI="
     },
     "streamsearch": {
@@ -6718,6 +6821,7 @@
     },
     "strip-ansi": {
       "version": "3.0.1",
+      "resolved": false,
       "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
       "requires": {
         "ansi-regex": "^2.0.0"
@@ -6730,6 +6834,7 @@
     },
     "strip-eof": {
       "version": "1.0.0",
+      "resolved": false,
       "integrity": "sha1-u0P/VZim6wXYm1n80SnJgzE2Br8="
     },
     "strip-indent": {
@@ -6748,6 +6853,7 @@
     },
     "stubs": {
       "version": "3.0.0",
+      "resolved": false,
       "integrity": "sha1-6NK6H6nJBXAwPAMLaQD31fiavls="
     },
     "superagent": {
@@ -7075,6 +7181,7 @@
     },
     "through2": {
       "version": "2.0.3",
+      "resolved": false,
       "integrity": "sha1-AARWmzfHx0ujnEPzzteNGtlBQL4=",
       "requires": {
         "readable-stream": "^2.1.5",
@@ -7176,6 +7283,7 @@
     },
     "type-check": {
       "version": "0.3.2",
+      "resolved": false,
       "integrity": "sha1-WITKtRLPHTVeP7eE8wgEsrUg23I=",
       "dev": true,
       "requires": {
@@ -7199,6 +7307,7 @@
     },
     "typedarray": {
       "version": "0.0.6",
+      "resolved": false,
       "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c="
     },
     "uglify-js": {
@@ -7273,6 +7382,7 @@
     },
     "util-deprecate": {
       "version": "1.0.2",
+      "resolved": false,
       "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
     },
     "utile": {
@@ -7322,6 +7432,7 @@
     },
     "validate-npm-package-license": {
       "version": "3.0.1",
+      "resolved": false,
       "integrity": "sha1-KAS6vnEq0zeUWaz74kdGqywwP7w=",
       "requires": {
         "spdx-correct": "~1.0.0",
@@ -7340,6 +7451,7 @@
     },
     "vasync": {
       "version": "1.6.4",
+      "resolved": false,
       "integrity": "sha1-3+k2Fq0OeugBszKp2Iv8XNyOHR8=",
       "requires": {
         "verror": "1.6.0"
@@ -7347,10 +7459,12 @@
       "dependencies": {
         "extsprintf": {
           "version": "1.2.0",
+          "resolved": false,
           "integrity": "sha1-WtlGwi9bMrp/jNdCZxHG6KP8JSk="
         },
         "verror": {
           "version": "1.6.0",
+          "resolved": false,
           "integrity": "sha1-fROyex+swuLakEBetepuW90lLqU=",
           "requires": {
             "extsprintf": "1.2.0"
@@ -7360,6 +7474,7 @@
     },
     "verror": {
       "version": "1.10.0",
+      "resolved": false,
       "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
       "requires": {
         "assert-plus": "^1.0.0",
@@ -7382,6 +7497,7 @@
     },
     "which-module": {
       "version": "2.0.0",
+      "resolved": false,
       "integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho="
     },
     "wide-align": {
@@ -7431,6 +7547,7 @@
     },
     "wrap-ansi": {
       "version": "2.1.0",
+      "resolved": false,
       "integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
       "requires": {
         "string-width": "^1.0.1",
@@ -7451,6 +7568,7 @@
     },
     "wrappy": {
       "version": "1.0.2",
+      "resolved": false,
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
     },
     "ws": {
@@ -7501,14 +7619,17 @@
     },
     "xtend": {
       "version": "4.0.1",
+      "resolved": false,
       "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68="
     },
     "y18n": {
       "version": "3.2.1",
+      "resolved": false,
       "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE="
     },
     "yallist": {
       "version": "2.1.2",
+      "resolved": false,
       "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI="
     },
     "yargs": {
diff --git a/package.json b/package.json
index 895b9ead6..747f62f09 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "connect-timeout": "^1.9.0",
     "cookie-parser": "^1.4.4",
     "cookie-session": "^1.3.2",
-    "cron": "^1.6.0",
+    "cron": "^1.7.0",
     "csurf": "^1.6.6",
     "db-migrate": "^0.11.5",
     "db-migrate-mysql": "^1.1.10",