Revert "Unsetting non-existant key does not throw notice/error, so unset without checking"

This reverts commit 532b3e771755fda3909fc46a02211dfc3317730d.
::explodeAndQuote() no longer used
Using $this->explode()
Moved Apache and Nginx specific PHP stuff into separate files, extended from parent
PHP stuff handled through single file.
Using explode_and_quote()
Everybody loves tests!
Removed headers for apache/nginx as they are not needed
php5-fpm has to be installed when nginx is selected and the module list has to be unique
only src dir should be listed in coverage report
Version bump
made logic in create action more testable, added first twig render test, introduced compiler and formatter
php cs fixes
Version bump
Adding Twitter bootstrap.js
Slightly new design!
Slightly new design!
This was causing horizontal scrollbar
Fixing permissions
Moving apache/nginx into Webserver folder