QwtSaturationValueColorMap added


git-svn-id: svn://svn.code.sf.net/p/qwt/code/trunk@2097 29e17f8d-cf37-471e-a288-72cc03a76eda
spectrogram example extended


git-svn-id: svn://svn.code.sf.net/p/qwt/code/trunk@2098 29e17f8d-cf37-471e-a288-72cc03a76eda
library path fixed


git-svn-id: svn://svn.code.sf.net/p/qwt/code/trunk@2102 29e17f8d-cf37-471e-a288-72cc03a76eda