wrapping mode for QwtKnob fixed


git-svn-id: svn://svn.code.sf.net/p/qwt/code/trunk@2002 29e17f8d-cf37-471e-a288-72cc03a76eda
curve fill/outline drawing order inverted


git-svn-id: svn://svn.code.sf.net/p/qwt/code/trunk@2005 29e17f8d-cf37-471e-a288-72cc03a76eda