Add Squirrel.Windows 0.4.92
Create the first hack at an installer spec
Create a task which builds an installer
Add create-installer to default tasks
How embarassing
Let's not create an installer unless asked, it takes foreeeeevvvverr
Merge remote-tracking branch 'origin/master' into squirrel-installer

Conflicts:
	build/Gruntfile.coffee
Populate atom.nuspec with the current Atom version
Sign the installer too
Use ERB templates from Underscore-Plus
CI version numbers are Magical(tm)
Clear the releases dir for now
Merge remote-tracking branch 'origin/master' into squirrel-installer
Use grunt APIs for read, write, and delete
:lipstick:
Use grunt.file.readJSON
Use path.extname
:lipstick:
Remove stray if
Add missing space