Refactoring continued

git-svn-id: https://plugins.svn.wordpress.org/wp-piwik/trunk@1035570 b8457f37-d9ea-0310-8a92-e5e31aec5664
Refactoring continued

git-svn-id: https://plugins.svn.wordpress.org/wp-piwik/trunk@1035571 b8457f37-d9ea-0310-8a92-e5e31aec5664
Refactoring continued

git-svn-id: https://plugins.svn.wordpress.org/wp-piwik/trunk@1035574 b8457f37-d9ea-0310-8a92-e5e31aec5664