Merge pull request #52 from OneID/master

Force symlink creation of /etc/init.d/nginx
Using in top.sls state  was failing because of missing map
Merge pull request #54 from webplatform/master

Installing nginx on Ubuntu/Debian fails, missing map property
Source install now works. Paths now configurable. Added init.d.
Merge pull request #55 from ross-p/master

Source install now works. Paths now configurable. Added init.d.
Fix support for os_family RedHat
Merge pull request #56 from rfairburn/master

Fix support for os_family RedHat
Use nginx_map.default_group for group in all places
Merge pull request #57 from rfairburn/master

Use nginx_map.default_group for group in all places
Allow selection of repo_version
Update pillar.example
Merge pull request #58 from OneID/feature/repo-version

Allow ppa install using development/mainline etc