standardize logic blocks
Add simple plugin for chruby ruby version manager
Add pyenv plugin
fix pip plugin
Update _heroku config arguments (Heroku Client v3)
Update _pass to follow symlinks for completion

Based on: http://comments.gmane.org/gmane.comp.encryption.pass/235
Merge pull request #2276 from christianschmidt/master

Update _pass to follow symlinks for completion
Merge pull request #2273 from thibaudgg/patch-1

Update _heroku config arguments (Heroku Client v3)
Merge pull request #2271 from ashleyh/master

fix pip plugin
Merge pull request #2266 from ssm/plugin/pyenv

Add pyenv plugin
Merge pull request #2259 from eddiemonge/patch-1

standardize logic blocks
Merge pull request #2261 from webframp/feature/chruby-plugin

Add simple plugin for chruby ruby version manager
Merge pull request #8 from robbyrussell/master

merge from mainstream