Global variables

Made some variables to be global so they can be called from main.lua
Also added that "ToDo" comments ;)
Updated to work with master API and globals
Updated config to work with changes to main
Closes #2 - update :)

Added things listed in #2 (custom colors for buttons will be added in
future)
Finished multiple screens and added version check
Added file containing version for update check
Fixing screen arrows

Forgot to commit this ;)
Changes in variables
Merge pull request #3 from D3add3d/upcomming

Moving to upcomming :)