Catch more errors

Signed-off-by: Tilman Vatteroth <tilman.vatteroth@tu-dortmund.de>

lib/migrations/20160420180355-note-add-alias.js

@@ -8,7 +8,8 @@ module.exports = {
         indicesType: 'UNIQUE'
       })
     }).catch(function (error) {
-      if (error.message === 'SQLITE_ERROR: duplicate column name: alias' || error.message === "ER_DUP_FIELDNAME: Duplicate column name 'alias'" || error.message === 'column "alias" of relation "Notes" already exists') {
+      if (error.message.toLowerCase().includes('duplicate column name') ||
+        error.message === 'column "alias" of relation "Notes" already exists') {
         // eslint-disable-next-line no-console
         console.log('Migration has already run… ignoring.')
       } else {