add tests for Cv::Qt
make re simple to convert library name, and hide stderr for cc.
Merge commit '74a6068637cdeaf15085242808aabd40596f6d8b' into basil

Conflicts:
	MANIFEST
	lib/Cv/Config.pm
fix pkg-config output

merge 74a6068637cdeaf15085242808aabd40596f6d8b