Don't load directories.zsh
Add git functions to git plugin
Add rails aliases to rails plugin
Use the same dir as --deployment to store gems
Ignore vendor/bundle as well as vendor/gems in Git repos
Ignore svn cache
Add plugins for swift, turning symbols to strings, and configure ctrlp ignore
Fix path settings
Don't use Ember by default, and upgrade Rails to 4.1
Add vendor/bundle/bin to app PATH
Bump ruby to 2.1.5