Added a toolbar for "compile","Execute" and "Install".   (Actually not working).
Merge commit '69daffc21f06c38944980a28aad1a8dcde326e78'

* commit '69daffc21f06c38944980a28aad1a8dcde326e78':
  Put in place some error handling so 'spawn' won't crash Brackets Node Domain.
  Add 'which' node module.
  Gocode Invocation correction
Improved geocode detection and a little more documentation.