Some updates

  * top-scope variable being used without an explicit namespace
  * double quoted string containing no variables
  * case statement without a default case
  * correct variable declaration for gitlab-shell branch (${$gitlab})
 Updates gitlabshell_branch from 1.7.0 to 1.7.1
Merge pull request #63 from spudstud/atomaka-feature-contain

 Updates gitlabshell_branch from 1.7.0 to 1.7.1
Include fail statement 

Workaround for issue #65
https://github.com/sbadia/puppet-gitlab/issues/65

See https://bugzilla.redhat.com/show_bug.cgi?id=952955 for more information.
[deps] Fix top-scope var. being used without an explicit namespace
[doc] Add info. message about puppet version (refs: #66, closes: #65)
Merge pull request #1 from sbadia/atomaka-feature-contain

Lint related changes (TODO: remove inherits)