Merge pull request #114 from ProG4mr/master

Fix button and optionbox group memory leak.
Fixed fonts in sample
Added dconsole support

simpy add "<haxelib name="dconsole" />" to enable and "TAB" to bring up
the console
Unregister disposed objects
Fix for #120
Fix for #94
Added root to root list before callback
Mobile changes
Ability to update renderes
Fixed neko issues with removing event listeners
Removed undeed file
Small updates
Updated dconsole api access