pull changes from master to dev on 2014-07-04

This update brings these approved pulls to the dev branch:
* User visible:
  * #1054: fix bug breaking react to initiative if player has more dice than opponent
  * #1057: updated description of berserk skill to clarify that berserk attacks remove swing
  * #1063: don't show "unimplemented skills" message on open games in prod
* Ideally not user visible:
  * #1048: fix the create_game example script for the python API client
  * #1049, #1056: draft UI for fire skill (no backend should ever point to this)

No database updates.

Once this pull is merged, i will load the changes on dev.buttonweavers.com as part of #217.