More qt5 port notes

[Friedrich W. H. Kossebau]

Am Sonntag, 7. Juni 2015, 16:41:29 schrieb Boudewijn Rempt:
> * Action systems. This is weird. Shortcuts work fine in e..g. Karbon, but
> not in Krita. Not even ctrl-o or ctrl-n. 

Was a QT5TODO in kis_action_manager.cpp

Should be much better now :)

Friedrich