Merge changes I179837d6,If7818d8e,Ifa27c706,I4be8ca12,I3c23a2ce,If02a7b85

* changes:
  msvs: Don't link to winmm.lib
  msvs: Pass dependency project vcxproj files to the project generation script
  msvs: Support producing both vcproj and vcxproj depending on configure variables
  configure: Add x86*-vs10/11 targets
  gen_msvs_sln: Support producing versions 10 and 11, handle vcxproj files
  Add a new script for producing vcxproj files