putting some boilerplate in place for AI unit movement

cleanup AI

AI can now search from HQ outward or map-edges inward for cell to build struct

animation loop for cpu phase, cpu can build structures and units now

starting the AI. rudimentary structure building algorithm is in place

fixed attack.listen(): camera follows cursor, can't center attack on self

fixed typo in destroyStructure()

cleaned up the touch controls a bit; opera situation debugged & fixed

tweak movement controls responsiveness

made the menus wider

Tweaking menus

weird bug on opera mobile regarding startButton and qButton; working on it

debugged attack/equipment code; all is good

add explosion.png

moved units off structures for demo spawn

added Ace, Angel, and BlitzWalker to Fabricate menu; demo base and units on load

first commit