Clean up backend_edit controller
Fix buggy backend renaming and toggling. Also pre-render backend-edit popup
Fix pre-rendering
Merge pull request #224 from mistio/clean_edit_backend

Fixes on edit backend popup
Automated build of mist.js & mist.css
Merge branch 'staging' into backend_btn

Conflicts:
	src/mist/io/static/js/app/views/backend_button.js