Added OSX Build Script
Merge remote-tracking branch 'upstream/master' into osxsupport

* upstream/master: (30 commits)
  fixed some copy paste errors in jade options
  uglify mangle option closes #156
  simpler icon
  Tray exit label
  disabled strict maths and units.
  less 1.4.1
  fixed neat link
  Version 2.2.0
  change copy selected text to just copy
  copy ips
  removed mixins
  ruby process error handler
  cleanup
  reordered options
  fixed jade warnings
  typo
  dir structure
  updated bourbon 3.1.8 and support neat closes #152
  toggle
  cleanup
  ...
Removed junk, added Ruby Gems, applied Less.js patch, Updated node-webkit etc
Merge pull request #148 from mattclements/osxsupport

Added OSX Build Script