* google-gflags: version 0.9
	* Add the ability to validate a command-line flag (csilvers)
	* Add completion support for commandline flags in bash (daven)
	* Add -W compile flags to Makefile, when using gcc (csilvers)
	* Allow helpstring to be NULL (cristianoc)
	* Improved documentation of classes in the .cc file (csilvers)
	* Fix python bug with AppendFlagValues + shortnames (jjtswan)
	* Use bool instead of int for boolean flags in gflags.py (bcmills)
	* Simplify the way we declare flags, now more foolproof (csilvers)
	* Better error messages when bool flags collide (colohan)
	* Only evaluate DEFINE_foo macro args once (csilvers)


git-svn-id: https://gflags.googlecode.com/svn/trunk@23 6586e3c6-dcc4-952a-343f-ff74eb82781d