Update to Ansible 2.2.1.0 and adjust all file mode settings to provide them as strings

tasks/main.yml

@@ -16,7 +16,7 @@
     copy:
       content='deb http://download.opensuse.org/repositories/isv:/ownCloud:/community/xUbuntu_12.04/ /'
       dest='/etc/apt/sources.list.d/owncloud.list'
-      mode=644
+      mode='644'
 
   - name: 'ownCloud | Install the package'
     apt: