Clicking stuff, code cleanup, ...
Save some minor changes
Added ImageContainer as Singleton for centralized image loading and provisioning.
Changed setImage() function in Button class.
Some additions to the Button class again
Changed HUD according to the new ImageContainer
Merge branch 'bholste' of github.com:dhbwtd/dhbw-td
Merge image container into master
HYPER MERGE
dafuq
merge master and shit