prepping for jaws demo game
split example code into modules. work in progress.

All global variables from the original example need to be namespaced to their modules.
game engine modules refactored
stepping through the entities modules
worked through the gui modules
Worked through the states
removing gui configuration into its own module.
started refactoring for dependency management
App starts and can build towers. Enemies are spawning as towers still.
had it working but started some refactoring
game is working
fixed missing hud
removing melon from title
Merge pull request #1 from brucecoddington/develop

Game working with modules