Added variable argument list CCLogv
Converted file formatting to use new public API calls on supported versions
Get system version major, minor, and bugfix
Convert system version to a single value to match version literals in Platform.h
Moved include into iOS
Use more convenient Apple check instead of OSX and IOS
Added convenient min runtime version macros
Include SystemInfo in main header
Fallback to private asl_add_output when using with older versions