Reorganized files
Moved images into the assets directory. All should be referenced in images.lua
Created a strings.lua module for centralizing all text
Merge branch 'master' of https://github.com/Beltminer/BeltminerMobile1

Conflicts:
	modules/missions.lua
	modules/myPage.lua
	modules/screen1.lua
	modules/upgrade.lua
Reorganized files
Moved images into the assets directory. All should be referenced in images.lua
Created a strings.lua module for centralizing all text