Adding some rvm and bundler nicety to mange ruby gems

Currently only compass :)
Adding "before:show" event triggers for regions

https://github.com/marionettejs/backbone.marionette/pull/1018
Signed-off-by: Jarrod Payne <jpayne@webotomy.com>
Bumping to 0.1.6

Signed-off-by: Jarrod Payne <jpayne@webotomy.com>