Corrected spelling of ResourceRetrIEver
Added Retriever injection
Automatically Injecting when adding system to game
Added explanation in comments of travis configuration file as to why all_branches: true needs to be used.
Merge branch 'master' of https://github.com/Cardshifter/Cardshifter into develop
Merge branch 'develop' of github.com:Cardshifter/Cardshifter into develop
opponent hand grows and shrinks properly, cards remaining counts are working
UpdateMessage is working for cards in the battlefield
fixed bug where card positions could change when redrawn
fixed bug where targetables stayed highlighted on a failed attack
Merge branch 'javafx' into develop