first cut of ly-diff directive
cleanup unused scope helpers
cleanup
split diff styles
fix diff left styles
ly.diff as stylus with nib
Merge remote-tracking branch 'origin/master' into ly-diff
gulp-stylus
jade tidy
WIP gulp-angular-templatecache
replace jade-angularjs-brunch
Merge branch 'gulp' into ly-diff

Conflicts:
	gulpfile.ls
	package.json
	package.ls
build ly-diff.js
utils/diff required for ly-diff.js
 include diff jade in templates
trim leading spaces that can be created by pretty-printed jade
build vendor.js with gulp
avoid gulp-exec in build
build js:vendor with gulp
use new gulp-bower-files