fixing  some STRICT warnings  on php 5.4

git-svn-id: http://dev.piwik.org/svn/trunk@7835 59fd770c-687e-43c8-a1e3-f5a4ff64c105
Syntax error in .travis.yml

refs #3722

git-svn-id: http://dev.piwik.org/svn/trunk@7836 59fd770c-687e-43c8-a1e3-f5a4ff64c105