account update + message updates
Merge branch 'master' into user-surrogate-id
sender update
user manager update
team update
battle update
game update
battle start message update
engine update part 1 (won't compile)
engine update part 2 (won't compile)
datastore2 update + db interface update
player update
engine update part 3 (will compile but logic is broken)
eat-em-up-16
minor fixes for db recreation