Bump version to 1.3.0
Update gems
Allow to easily set system_rubies and system_users with hiera
Add a simpler bash command to install rvm

Fixes Issue #9 rvm fails when /tmp is mounted with noexec flag
Don't install dependencies by default, let rvm autolibs handle it

Install passenger module dependencies separately
Ensure rvm doesn't timeout finding binary rubies

Install rubies in specs using binary packages
Pass HOME variable to rvm execution so it can find ~/.rvmrc correctly
Add system spec to create gemsets and install gems
Update ruby version in readme