upgrade to play 2.2.0-rc1 wip
Merge branch 'master' into play22

* master:
  cache more game collection queries
  cache confrontation count
  complete autopairing implementation
  bs "bosanski jezik" translation #4246. Author: MirhadS.
  improve autopairing wip
  implement hook auto pairing
  disable global wiretap
  upgrade mongodb driver
  fix pgn export date format
  remove index comments
  upgrade js vendors
  upgrade reactivemongo

Conflicts:
	project/Dependencies.scala
upgrade to play 2.2.0-RC2
upgrade common project to scalaz 7
upgrade db project to scalaz 7
upgrade play-reactivemongo
fix memo module with boolean monoid instance
upgrade chess module
more upgrade to scalaz 7.0.3
more play22/scalaz7 updates
rethink Zero/Monoid instances, bypass scalaz BooleanOps
Steroid trait
upgrade game module
upgrade all modules to scalaz 7
upgrade play application to play 2.2.0-RC2
fix akka configuration
delay monitoring
start using actor selections
replace actor lazy refs with akka actor selections
Remove ActorSelection extra methods