Added additional annotations to controllers and models for metrics.
Merge branch 'Development' of github.com:ThomasRahn/soen390 into Alan
Added configuration interface to administrative panel.
Removed flag reports from admin sidebar. [ci skip]
Added migration and model for configuration store.
Created configuration controller.
Created configuration view and language bundles.
Create maintenance page.
Added language bundle for maintenance page.
Added routes for configuration controller and filter for maintenance.
Updated alert message wrapper.
Added maintenance filter to additional routes.
Added annotation for Configuration class.
Updated statements for PHPUnit compatibility.
Added test unit fo rthe Configuration model.
Fixed assert error.
Added language entry for flags in Narrative table.
Updated return type in annotation.
Replaced Redirect::back with Redirect::action for better testability.
Wrapped Configuration save within if statement to prevent unrequested update.