Capistrano V3 support
adjustments for missing cap3 tasks
capistrano 3 wno't change into the right directory when executing random bash. so do it inline
Updated rake tasks to work with capistrano 3
modify capistrano loading to automatically load V2 vs V3 capistrano tasks
Merge pull request #1254 from phallstrom/master

Capistrano V3 Support.