change activePlayers to ArrayCollection and resolve issue #12
Merge commit 'aafd9a976fb4d43c2f94ee7fb56e096780cac910' into develop

# By Martin Brotzeller
# Via Martin Brotzeller
* commit 'aafd9a976fb4d43c2f94ee7fb56e096780cac910':
  change activePlayers to ArrayCollection and resolve issue #12

Conflicts:
	module/Application/src/Application/Controller/IndexController.php
	module/Application/src/Application/Entity/MatchRepository.php