fetch origin for new branches. fix jshint errors.

use correct fs.symlink on mac and linux

add arch support for linux 64-bit

update grunt tasks for linux

add linux installer to grunt tasks

fix linux clean installer task

update grunt for node on linux. move linux tools to an npm postinstall script.

rename debian package to Brackets Sprint NN.deb

fix 64 bit build

update debian package version and 64-bit dep