search install prefix for qwt correctly
libqwt.so should take precedence over libqwt-qt4.so (qwt6 vs qwt5)
workaround for broken QIcon.fromTheme missing function
remove scipy references from gr-perf-monitorx
runtime: gr-perf-monitorx, make very sure we are using the right matplotlib backend before causing any problems by defaulting to a different one
runtime: fix for gr_enabled_realtime_scheduling
runtime: allow "-p ###" as well as "###" syntax for gr-ctrlport-monitor port args
runtime: fix for thread safety issue during simultaneous use of stream tags and performance counters
blocks: add set_msg callback and api update to grc block_message_probe
build: move from using runtime_swig.i to gnuradio.i to reduce memory load while building.

py_feval destructor issue needs fixing.
Merge branch 'next' of git.gnuradio.org:gnuradio into next
analog: adding grc def for fastnoise source, adding agc3_cc
analog: agc3 performance improvements
grc: remove "c" key shortcut for create heir action
analog: removing agc3 debug
build: fixed up feval/py_feval use and destructors.
channels: use fractional_resampler instead of fractional_interpolator.
Merge remote-tracking branch 'osh/next' into next

Conflicts:
	gnuradio-runtime/lib/CMakeLists.txt
	gnuradio-runtime/lib/gr_block_detail.cc
	gnuradio-runtime/lib/gr_realtime.cc
	gr-analog/swig/analog_swig.i
analog: fixing agc3 for new 3.7 style/structure. Added QA.
build: cleaning up swig, fixing a few bugs.