core/digital: added more logging
uhd: updated usrp_spectrum_sense with frequency readout
Merge remote-tracking branch 'mbant/morelog3'
core: added boost/format.hpp to logger header for easy use when formatting strings in log messages.
digital: made the tagging description for packet header gen more explicit
docs: More and better docs for tagged stream blocks (and some childs)
Merge branch 'master' of gnuradio.org:gnuradio
Merge remote-tracking branch 'mbant/headertags'
Merge remote-tracking branch 'mbant/taggedstreamdox'
Merge remote-tracking branch 'm0mik/uhd_usrp_spectrum_sense_freq_readout'
blocks: fix XML data type in gr::blocks::deinterleave
build: moving config.h generation to the last thing to make sure it pulls in all defines.
build: rename config.h to less ambiguous gr_config.h (for 3.6 only; will be config.h in 3.7).
docs: added the most important part of what should have been in the previous docs commit
Merge remote-tracking branch 'mbant/taggedstreamdox'
modtool: fixes case when modulname ends in 0
Merge branch 'maint'
docs: Add support for swigdocs for QT keywords (signal, slot, property).
Merge branch 'maint'
blocks: MSVC compatibility fixes

* udp_sink_impl includes <boost/array.hpp>
* rotator doesn't export a symbol