New: upgrade instructions when installing or upgrading composer packages.

config/firefly.php

@@ -2,7 +2,7 @@
 
 return [
     'chart'              => 'chartjs',
-    'version'            => '3.6.1',
+    'version'            => '3.7.0',
     'index_periods'      => ['1D', '1W', '1M', '3M', '6M', '1Y', 'custom'],
     'budget_periods'     => ['daily', 'weekly', 'monthly', 'quarterly', 'half-year', 'yearly'],
     'csv_import_enabled' => true,

config/upgrade.php

@@ -0,0 +1,15 @@
+<?php
+/**
+ * upgrade.php
+ * Copyright (C) 2016 Sander Dorigo
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+
+return [
+    'text' => [
+        '3.7.0' => 'Because of the upgrade to Laravel 5.2, several manual changes must be made to your Firefly III installation. ' .
+                   'Please follow the instructions on the following page: https://github.com/JC5/firefly-iii/wiki/Upgrade-to-3.7.0'],
+];