Merge pull request #3 from jcao219/master

gui stuff independent of simulation/world
Merge pull request #4 from jcao219/master

stub of tesselate method
Merge pull request #5 from jcao219/master

a bit more
Merge pull request #6 from jcao219/master

placeholders for layout setup
Merge pull request #7 from jcao219/master

One more
Merge branch 'master' of https://github.com/niranjanravi/Assignment-4
Added Menu Bar to the GUI, Started adding hexes
Merge branch 'master' of https://github.com/niranjanravi/Assignment-4