Added Damaging Explosion (for Missile Launcher projectiles)
Damage now taken from collided projectiles' baseDamage (with the exception of ground tiles and buildings)
Quad Trees now detect collision more generally
I am sorry for such a huge commit
Merge branch 'master' of github.com:Stopa/Mobile-Defence-Fortress

Conflicts:
	assets/javascripts/actor/Enemy.js
whoops, missiles better slow down
im here to chew gum and fix typos. And im all out of gum.
Disabled QuadTrees, polished facility placeholder img
OrbitalDefence no longer takes hardcoded damage
Reduces OrbitalDefence's base hitpoints
Made code pretty, oh so pretty. (ok, prettyER)
Refactored findTarget() to a more general case
Merge branch 'master' of https://github.com/Stopa/Mobile-Defence-Fortress
Sounds, yay

Weapon - playSound(soundId)
Actor - playSound(soundId)
Register sounds in a manifest in main.js (loadSounds)
Merge remote-tracking branch 'origin/master' into gh-pages