added Virus IFFE
virusJS
merged LIza
virus function
changed Virus object
fixed merge conflict
added checkBOundaries
push viruses into game array
pulling in virus changes
laser code
viruses creating and bouncing
update
New Images
added replicate function
Merge branch 'mike' of https://github.com/bchiatt/gp-virus-game into brian
added lasers
merged branches
virus divides, fighter shoots
virus kill
virus-kill2