Prepare next version

Will be 1.7.1 or 1.8

CHANGELOG.md

@@ -1,5 +1,8 @@
 # Changelog
 
+## 2017-XX-XX FreshRSS 1.7.1-dev
+
+
 ## 2017-06-03 FreshRSS 1.7.0
 * Features:
 	* Deferred insertion of new articles, for better chronological order [#530](https://github.com/FreshRSS/FreshRSS/issues/530)

constants.php

@@ -1,5 +1,5 @@
 <?php
-define('FRESHRSS_VERSION', '1.7.0');
+define('FRESHRSS_VERSION', '1.7.1-dev');
 define('FRESHRSS_WEBSITE', 'http://freshrss.org');
 define('FRESHRSS_WIKI', 'http://doc.freshrss.org');