[BUG] fix route path, there's no route
fix notice message
Add css and html for alert
Add flash if params are missing

refs: http://gyazo.com/8d91dcd6972a0ec9a9abffab21b80311
Change notice color as white
remove empty space
Add exception_notification
Add configration for ExceptionNotifier
Merge branch '#100-fix-route-bug'

* #100-fix-route-bug:
  Add configration for ExceptionNotifier
  Add exception_notification
  remove empty space
  Change notice color as white
  Add flash if params are missing
  Add css and html for alert
  fix notice message
  [BUG] fix route path, there's no route

Conflicts:
	app/assets/stylesheets/css.css.scss