Removes me as a maintainer, because I'm not.
Removes me as a maintainer, because I'm not.

Updates README-WIN32.html to remove my status as a maintainer (I'm not). Also removes ancient porting notes and adds a reference to json_config.h.win32 which is where most folks should go to start with Windows issues.
Nzbuu/json-c,Nzbuu/json-c,Nzbuu/json-c,Nzbuu/json-c