convert test JS to 2-space tabs

future note to self:

   sed -i .sedbak -e 's/^/~/' -e ': r' -e 's/^\( *\)~    /\1  ~/' -e 't r' -e 's/~//' ...file.js
Fixes to run multiple tests w/o cookies
Merge pull request #366 from kumar303/casper-fix

Fixes to run multiple tests w/o cookies
create/confirm pin test
Test confirm pin with wrong value
Document UI testing
fix homebrew link in docs
Add node-modules for grunt
Add external deps
Remove grunt-i18n-abide for now which has compiled deps
update gitignore
Stubbed out Ember bits + lifted Zippy styles for SPArtacus
remove all grunt from tree for now