Add Ai names #6

Names are read from the AiNames file. A random selection
is chosen for each session.
Merge branch 'master' of https://github.com/bjorfoss/XNAX1
Merging
Merge remote-tracking branch 'origin/input'
Add level limits #18

* Add IsOutsideLevel to check if a unit has moved outside of bounds
* Add GetLevelBounds to get the bounds for the level
Merge remote-tracking branch 'origin/master' into level-limits
Add method to get Level instance from GameObject
Merge remote-tracking branch 'origin/input' into level-limits