added crop
added jcrop
added popup for crop
add styles to jcrop popup
fixed jcrop buttons
added template for crop, reinitialization fix
updated light_resizer
Merge branch 'origin/feature/jcrop'

Conflicts:
	app/assets/stylesheets/rademade_admin.sass.erb
	app/assets/stylesheets/rademade_admin/lib/glyphicon.sass
	config/locales/rademade_admin.en.yml
	spec/dummy/public/javascripts/translations.js