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

composer.json

@@ -37,7 +37,7 @@
         "markrogoyski/math-php": "^0.38.0",
         "myclabs/deep-copy": "~1.9.0",
         "nabeel/vacentral": "~2.0",
-        "nwidart/laravel-modules": "~5.1",
+        "nwidart/laravel-modules": "^6.0",
         "php-units-of-measure/php-units-of-measure": "~2.1.0",
         "pragmarx/version": "0.2.*",
         "prettus/l5-repository": "~2.6.0",