pull changes from master to dev on 2014-05-24

This update brings these approved pulls to the dev branch, so they can be tested on dev.buttonweavers.com:
* #886, #887: add more "last action" timestamps to the API, and update "recent activity/chat" highlighting to do the right thing during autopass and when a player enters chat out of turn

Database updates:
* 00722_player_activity_01.sql
* reexecute views.game.sql and views.player.sql