Fix another typo..
Fix build for PHP 5.4.
See: http://stackoverflow.com/questions/6726219/strict-standards-error

[ci skip]
Fix build by properly replacing @REQUEST_URI@
Merge branch 'master' of github.com:piwik/piwik
Really fix the PHP 5.4 error now.
Removing matrix build for now since code coverage report gets useless.

refs #3722