Lint Fixes:

manifests/sudoers.pp - WARNING: variable not enclosed in {} on line 68
manifests/sudoers.pp - WARNING: variable not enclosed in {} on line 77
manifests/sudoers.pp - WARNING: indentation of => is not properly aligned on line 73
Add stdlib to fixtures
Change Travis to standard matrix
Change Gemfile to standard
Add stdlib to Modulefile
Use template for Rakefile
Moving validate_cmd into new file