add GitLab patch rake module for gitolite home path.
add Empty .profile for GitLab check compliance.
add Gitolite repositories protection, for GitLab test compliance.
add Updates to .git/info/exclude of GitLab repo.
chmod 750 for .gitolite directory, GitLab test compliance.
Custom check_init_script_exists for GitLab test compliance
Return expected 3.2 Gitolite version for GitLab compliance test
add gl alias for git log --all --branches on 20 last commits.