Automatically load Xcode plugins after installation
Merge pull request #28 from 0xced/no-xcode-restart

Automatically load Xcode plugins after installation
made installer a superclass and extracted out some stuff
almost done with refactor
fixed refactoring bugs
refactored reloading
Pre-created download dir
ironed out reload notification
improved reloading
changed Alcatraz downloads location to Application Support
Merge branch 'refactoring_installer'.
added changelog
added some stuff to changelog
removed nslogging for not found projects
Link to twitter account
removed sending the fake notification.
added options support on git
implemented git checkouts
separating download and update methods
checked for update output. ignored empty git fetches