Applied fixes from StyleCI

app/Handlers/Commands/Invite/ClaimInviteCommandHandler.php

@@ -11,9 +11,9 @@
 
 namespace CachetHQ\Cachet\Handlers\Commands\Invite;
 
-use Carbon\Carbon;
 use CachetHQ\Cachet\Commands\Invite\ClaimInviteCommand;
 use CachetHQ\Cachet\Events\Invite\InviteWasClaimed;
+use Carbon\Carbon;
 
 class ClaimInviteCommandHandler
 {

app/Http/Controllers/SignupController.php

@@ -11,9 +11,8 @@
 
 namespace CachetHQ\Cachet\Http\Controllers;
 
-use AltThree\Validator\ValidationException;
-use CachetHQ\Cachet\Commands\User\SignupUserCommand;
 use CachetHQ\Cachet\Commands\Invite\ClaimInviteCommand;
+use CachetHQ\Cachet\Commands\User\SignupUserCommand;
 use CachetHQ\Cachet\Facades\Setting;
 use CachetHQ\Cachet\Models\Invite;
 use GrahamCampbell\Binput\Facades\Binput;

app/Models/Invite.php

@@ -12,7 +12,6 @@
 namespace CachetHQ\Cachet\Models;
 
 use Illuminate\Database\Eloquent\Model;
-use Illuminate\Support\Str;
 
 class Invite extends Model
 {