#266 Display Javascript errors in debugger pane
Stylus doesn't like variables in darken() and lighten()
Proper class names, cleaned up js file content
#392 Separate between build and watch task
Merge branch 'master' into feature/392_add_gulp_build_system

Conflicts:
	laterpay/assets/css/laterpay-debugger.css
	laterpay/assets/js/laterpay-backend-account.js
#392 Fixed cleaning of dist folders