Split the importer module out from the installer module (#468)

* Split the importer module out from the installer module

* Cleanup of unused imports

* Move updater into separate module #453

* Remove unused imports/formatting

* Disable the install and importer modules at the end of the setup

* Unused imports; update IJ style

* test explicit stage for php+mysql

* add more to matrix

* Add different MariaDB versions

* undo

modules/Importer/Resources/views/flash/check_error.blade.php

@@ -0,0 +1,6 @@
+@if($errors->has($field))
+    <p class="text-danger" style="margin-top: 10px;">{{ $errors->first($field) }}</p>
+{{--<div class="alert alert-danger" role="alert" style="margin-top: 10px;">
+    {{ $errors->first($field) }}
+</div>--}}
+@endif