Merged r4632:4645 on jcorgan/linking into trunk. Cleans up linking issues with libtool and already installed libraries.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@4646 221aa14e-8319-0410-a670-987f0aec2ac5
Beginnings of a qt based gui system added under gr-qtgui
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@4564 221aa14e-8319-0410-a670-987f0aec2ac5