add build_constants.h and use it for the client minor version

git-svn-id: http://google-cache-invalidation-api.googlecode.com/svn/trunk@296 1cc9d426-c294-39be-ba72-c0199ca0f247
3 files changed
tree: 3d1c2ff70d0f974660748f8762842fe4b58fc53c
  1. src/