First attempt at scripted map areas
Enable map scripts to run on every round or tick
Add reward type "giveItem", for quest rewards that do not need full droplists.
Add world timers and world time (counted in number of rounds)

* Increase world time each round.
* Add script reward "createTimer"
* Add script requirement "timerElapsed"
Content editor: Add support for giveItem,createTimer and timerElapsed in convs
Merge branch 'headless-scripts'