noaa: Updating testing environment.
pager: Updating testing environment.
video-sdl: Updating testing environment.
vocoder: Updating testing environment.
fcd: Updating testing environment.
comedi: Updating testing environment.
Fixed where Windows builds look for GrVersion.cmake
Merge branch 'master' into next
Merge branch 'master' into next

Conflicts:
	gr-audio/lib/CMakeLists.txt
	gr-blocks/include/blocks/CMakeLists.txt
	gr-blocks/include/blocks/socket_pdu.h
	gr-blocks/lib/CMakeLists.txt
	gr-blocks/swig/blocks_swig.i
	gr-comedi/src/CMakeLists.txt
	gr-howto-write-a-block/lib/CMakeLists.txt
	gr-noaa/lib/CMakeLists.txt
	gr-qtgui/lib/CMakeLists.txt
	gr-uhd/lib/CMakeLists.txt
	gr-vocoder/lib/CMakeLists.txt
	gr-wavelet/lib/CMakeLists.txt
Merge remote-tracking branch 'ncorgan/next_dll_fix' into next
channels: fix for duplicate export
cmake: added a FindGnuradio.cmake module that other programs can use to easily link against various components of GNU Radio.
audio: minor master merge fix.

blocks: fix QA to turn off controlport (should generalize this).
blocks: removing udp_source/sink from gnuradio-core; now in gr-blocks.
Merge branch 'master' into next
core: removing gri_add_const_ss -- this should be handled in VOLK.
grc: fixed some GRC definitions.
analog: added some documentation for a number of blocks.
Merge branch 'master' into next
Merge branch 'master' into next