stub to inject label edition
js only label management stub
added jquery-ui to display labels
stub to use jquery ui tags
removed uneeded code
use a double list system
removed animation, added listeners
properly handle show hide of instructions
fix removal of label from list (remove whole view not just button)
removed intermediate div
properly show/hide available labels div
don't explicitely show container on add
show labels sorted
implemented basic label creation
implement reset on timeout
removed uneeded code
refactor empty method
formatting
fixed some error messages in upgrade
created new tables to track labels