capistrano role task grouped in one namespace
Re-added old role tasks names for backwards compatibility

This is for pull request #249
Cleaner aliased rubber role tasks
Make capistrano role tasks available

WIthout allow_optional_tasks, required_task doesn't do anything
Show options in list of roles after rubber:roles:add
Spelling correction base rubber.yml template
forgot http plugin for uwsgi
fix ruby-build ver
fix ruby-build url
Updated changelog
Update for repo move to rubber organization
Cleaned up some whitespace.
Updated Changelog for 2.2.0.
Merge branch 'master' of github.com:rubber/rubber
Merge branch 'master' of github.com:rubber/rubber
Re-enable testing on Rubinius in .travis.yml.
This entry is encompassed by virtue of adding a sidekiq template in this release.
Merge pull request #273 from brixen/master

Re-enable testing Rubinius in .travis.yml
Merge pull request #264 from jpinnix/grammar

Spelling correction base rubber.yml template
Fixed Travis link for new rubber organization.