Refactor and add importer to Installer module #443 (#444)

* Refactor and add importer to Installer module #443

* Refactor for finances to use in import

* Import groups into roles

* Formatting

* Formatting

* Add interface in installer for import

* Notes about importing

* Check for installer folder

* Formatting

* Fix pirep->user mapping

* Unused import

* Formatting

modules/Installer/Resources/views/install/steps/step3-user.blade.php

@@ -7,6 +7,12 @@
     {{ Form::open(['route' => 'installer.usersetup', 'method' => 'POST']) }}
     <table class="table" width="25%">
 
+      <tr>
+        <td colspan="2" style="text-align: right">
+          <a href="{{ route('importer.index') }}">Importing from a legacy install?</a>
+        </td>
+      </tr>
+
         <tr>
             <td colspan="2"><h4>Airline Information</h4></td>
         </tr>