ISSUE-107 Adds php_agent enable_php5_mod config option to make the configuration compatible with PHP > 5.4 (see http://www.lornajane.net/posts/2012/managing-php-5-4-extensions-on-ubuntu)
ISSUE-107 Lint
ISSUE-107 Adding unit tests
Tweak(s)
Merge branch 'gleseur-master' - PR #123