Fix RCT2_CALLFUNC
decompile get_system_info()
change to conform to consistent code style
add more screenshots to readme.md
Merge branch 'master' of https://github.com/ZedThree/OpenRCT2 into ZedThree-master
add additional authors in source code headers
Merge branch 'master' of https://github.com/IntelOrca/OpenRCT2.git