Make user search translatable

src/translation/de.json

@@ -555,7 +555,7 @@
     "system": {
         "title": "Systeminformationen",
         "diskUsage": {
-            "diskContent": "Diese {{ type }} Disk enthält",
+            "diskContent": "Dieser {{ type }} Datenträger enthält",
             "usageInfo": "{{ available | prettyDiskSize }}</b> von <b>{{ size | prettyDiskSize }}</b> verfügbar",
             "title": "Datenträger-Nutzung",
             "mountedAt": "{{ filesystem }} <small>mounted at</small> {{ mountpoint }}"

src/translation/en.json

@@ -224,7 +224,8 @@
             "usermanager": "User Manager",
             "admin": "Administrator",
             "owner": "Superadmin"
-        }
+        },
+        "searchPlaceholder": "Search"
     },
     "profile": {
         "title": "Profile",

src/views/users.html

@@ -411,7 +411,7 @@
   <div class="row">
     <div class="col-lg-12">
       <div class="users-filter">
-        <input type="text" class="form-control" style="min-width: 350px;" ng-model="userSearchString" ng-model-options="{ debounce: 1000 }" ng-change="updateFilter()" placeholder="Search"/>
+        <input type="text" class="form-control" style="min-width: 350px;" ng-model="userSearchString" ng-model-options="{ debounce: 1000 }" ng-change="updateFilter()" placeholder="{{ 'users.searchPlaceholder' | tr }}"/>
         <select class="form-control" ng-model="pageItems" ng-options="a.name for a in pageItemCount" ng-change="updateFilter(true)"></select>
       </div>
       <div class="pagination pull-right">