fix replay when black starts from FEN position
Merge pull request #145 from flugsio/fix_replay_when_black_starts

fix replay when black starts from FEN position
more work on simul support
Merge branch 'master' of github.com:ornicar/lila into simul

* 'master' of github.com:ornicar/lila:
  fix replay when black starts from FEN position
fix lobby when selected tab is disabled
fix seek API