Make wildcard a separate provider

this is required because the config object is not returned for
locked domains and the UI display for the provider field is then
wrong.

migrations/20180907025934-domains-migrate-wildcard.js

@@ -0,0 +1,21 @@
+'use strict';
+
+var async = require('async');
+
+exports.up = function(db, callback) {
+    db.all('SELECT * from domains WHERE provider=?', [ 'manual' ], function (error, results) {
+        if (error) return callback(error);
+
+        async.eachSeries(results, function (result, iteratorDone) {
+            var config = JSON.parse(result.configJson || '{}');
+            if (!config.wildcard) return iteratorDone();
+            delete config.wildcard;
+
+            db.runSql('UPDATE domains SET provider=?, configJson=? WHERE domain=?', [ 'wildcard', JSON.stringify(config), result.domain ], iteratorDone);
+        }, callback);
+    });
+};
+
+exports.down = function(db, callback) {
+    callback();
+};