Implements the owner and group for apache on debian based systems.

Commit includes:
Updates to file permissions and ownership.
Updates to envvars with additional details.
Add support for custom configs. Turn on log by default.
Merge pull request #140 from EHLOVader/apache-user-fix

Implementation of the owner and group for apache on debian based systems.
Fixes for users and groups
Append the user groups
Revise php version detection. Add ability to enable / disable xdebug.
Merge branch 'master' of https://github.com/protobox/protobox