Merge branch 'master' into next

Merge branch 'master' into next

* master:
  Tag GIT_VERSION when Git is built with MSVC
  Add scripts to generate projects for other buildsystems (MSVC vcproj, QMake)
  Add README for MSVC build
  Add MSVC to Makefile
  Define strncasecmp and ftruncate for MSVC
  Make usage of windows.h lean and mean
  Add platform files for porting to MSVC
  Add MinGW header files to build git with MSVC
  Add empty header files for MSVC port
  Test for WIN32 instead of __MINGW32_
  Fix __stdcall placement and function prototype
  Set _O_BINARY as default fmode for both MinGW and MSVC
  Change regerror() declaration from K&R style to ANSI C (C89)
  Add include guards to compat/win32.h
  Avoid declaration after statement
  pack-objects: remove SP at the end of usage string
  Update the usage bundle string.
  cvs: initialize empty password