Added SMG, Upgrades, and Theming

After a month and a half of on and off work, I've got enough work done on Prophet Launcher 3D to justify pushing out a new build.  The path to the most outrageous survival FPS continues!  Prophet Launcher 3D 1.1 notes:

Modified enemy spawn to a flaming pentagram
Added SMG weapon
Added flame, slow motion, speed, life, and jump height upgrades
Added player arm model
Added some map color theming - sun, sky, and snow
Added time of day cycle
Updated diction
Added Linux build
Optimizations - removed legacy files and code