Improved list of applications + support for app-buttons

This patch is dealing with:
* Support for Mock and Openstack
* Improved all states from visual side
* Added icons and styling for app-buttons (run, restart, pause, stop, delete)
* Improved toggle on provider application
* All in respect with basics for responsive webdesign

Related issues:
* Need to add .open class for h3.toggle_trigger, to change an arrow from "down" to "up" direction
* Need to take care about app name link ellipsis (JS)
* Need to get app name link functional (JS)