Issue/329 refactor seeding (#337)

* Fix Contracts class names

* Refactoring of the file seeds so it's not a mess

* StyleCI fixes

modules/Installer/Resources/views/update/steps/step1-update-available.blade.php

@@ -3,7 +3,7 @@
 
 @section('content')
     <h2>phpvms updater</h2>
-    <p>Updates have been found, click run to complete the update!.</p>
+    <p>Click run to complete the update!.</p>
     {{ Form::open(['route' => 'update.run_migrations', 'method' => 'post']) }}
     <p style="text-align: right">
         {{ Form::submit('Run >>', ['class' => 'btn btn-success']) }}