4401. [misc] Change LICENSE to MPL 2.0.
update copyright notice
3535. [bug] Minor win32 cleanups. [RT #32962]
2278. [bug] win32: handle the case where Windows returns no searchlist or DNS suffix. [RT #17354]
2198. [bug] win32: RegCloseKey() could be called when RegOpenKeyEx() failed. [RT #16911]
2090. [port] win32: Visual C++ 2005 command line manifest support. [RT #16417]
Win32 version for using the registry or resolv.conf for resolver information