Validate password on reset according to rules (#158)

* move password rules to Models\User::PASSWORD_RULES

* validate new password according to rules on password reset

* add password requirements info to auth.passwords.reset view

app/Http/Controllers/Auth/ResetPasswordController.php

@@ -31,4 +31,12 @@ class ResetPasswordController extends Controller
     {
         $this->middleware('guest');
     }
+
+
+    protected function rules() {
+        return [
+            'token' => 'required', 'email' => 'required|email',
+            'password' => 'required|confirmed|' . User::PASSWORD_RULES,
+        ];
+    }
 }