version-script.sh: Add CONFIGURATION and PROJECT_FILE_PATH variables.
Xcode[45] does not appear to set the BUILD_STYLE variable.

Modify maniest.uuid message.
makefile: for the short id, use yyyymmdd.nn where n is the osx minor
version number 4=tiger, 5= leopard and so on
Makefile: modify previous commit, put OS X minor release numbers on
a defining line of their own.
Makefile: add mountainlion-release and mavericks-release targets