add back 5.5

.travis.yml

@@ -2,6 +2,7 @@ sudo: required
 dist: trusty
 language: php
 php:
+    - 5.5
     - 5.6
     - 7
 env:

CHANGELOG.md

@@ -1,5 +1,6 @@
 owncloud-news (7.2.0)
 * **New dependency**: Bump required PostgreSQL version to 9.4
+* **New dependency**: Bump required MySql/MariaDB version to 5.5
 
 owncloud-news (7.1.2)
 * **Enhancement**: Major JavaScript library updates:

appinfo/info.xml

@@ -27,7 +27,7 @@
         <php min-version="5.5" />
         <database min-version="9.4">pgsql</database>
         <database>sqlite</database>
-        <database>mysql</database>
+        <database min-version="5.5">mysql</database>
         <lib min-version="2.7.8">libxml</lib>
         <lib>curl</lib>
         <lib>SimpleXML</lib>