uhd: added a usrp PC sync option
uhd: added getters for bandwidth setting and range
filter: added fractional_resampler as a renamed fractional_interpolator.

GRC block tree only references this new block and not the interpolator any longer.
Merge branch 'fractional_resampler' into next_fractional_resampler

Conflicts:
	gr-filter/grc/CMakeLists.txt
filter: updated fractional_resampler for next. Also adding deprecated warning to fractional_interpolator.
Merge branch 'next_fractional_resampler' into next
blocks: fix file meta data source to handle repeat of files.
Merge branch 'maint'
Merge branch 'next' of gnuradio.org:gnuradio into next
Merge branch 'master' into next
runtime: changed remove_item_tag to only mark tags as deleted
Merge branch 'master' into next

Conflicts:
	gnuradio-runtime/lib/gr_block_detail.cc
Merge remote-tracking branch 'jblum/uhd_work'
Merge branch 'master' into next

Conflicts:
	gr-uhd/include/gr_uhd_usrp_sink.h
	gr-uhd/include/gr_uhd_usrp_source.h
	gr-uhd/lib/gr_uhd_usrp_sink.cc
	gr-uhd/lib/gr_uhd_usrp_source.cc
uhd: fix accidentally deleted file from previous merge
runtime: frontend interface changes
cmake: always find PMT includes in FindGnuradio.cmake
update FindGnuradio.cmake to use the standard method for libgnuradio-pmt
blocks: interleaved_short_to_complex switch to volk, allow vector short input option