Update server.pp

pip provider is case sensitive
Update init.pp

fixed use of warning/fail functions for os support
Switch to gitlab 5.1 (and gitlab-shell 1.2.0)
Update travis settings
Update server.pp

pip provider is case sensitive
Update init.pp

fixed use of warning/fail functions for os support
Switch to gitlab 5.1 (and gitlab-shell 1.2.0)
Update travis settings
Merge branch '5.1' of github.com:sbadia/puppet-gitlab into 5.1
[server] Manage gitlab logs and tmp/pids
[server/tempates] Switch to puma (instead of unicorn)
[nginx] Update nginx vhost (according upstream)
[server] Manage also tmp/sockets, and correct require typo
[nginx] Move nginx config to sites-available
[nginx] Fix unix socket
[doc] update readme
Merge remote-tracking branch 'upstream/5.1'
Update to gitlab shell 1.3.0