Add map creation lua functions

-Add map creation lua funcions
-This resolves #2
-Needs to map it load from the scripts yet

Signed-off-by: Gustavo Jaruga <darksshades@gmail.com>
Fix #4, bot no longer ignore obstacles

-Bot will try to destroy enemy instead of passing throught it

Signed-off-by: Gustavo Jaruga <darksshades@gmail.com>