core/digital: added more logging
uhd: updated usrp_spectrum_sense with frequency readout
docs: updated docs for logging levels with use of log4cpp.
grc: fixes problem with order of defining message ports vs. data ports.
affinity: fixes a problem with using gr types (for uint8 vectors) in setting processor affinity.
Merge branch 'maint'
core: fixed block names conflict from next.
Merge branch 'maint'
utils: fixed wording in modtool for 'float' sink/source type.
Merge branch 'maint'
grc: made 'float' an acceptable alias to 'real' in parameter types.
Merge remote-tracking branch 'mbant/morelog3'
core: added boost/format.hpp to logger header for easy use when formatting strings in log messages.
core: addressing issue #529. Using vector<int> instead of vector<unsigned int> for affinity mask vector.

This is wrong as the mask should be unsigned, but necessary for SWIG to work cleanly on both 32-bit and 64-bit platforms.
core: addressing issue #529. Using vector<int> instead of vector<unsigned int> for affinity mask vector.

This is wrong as the mask should be unsigned, but necessary for SWIG to work cleanly on both 32-bit and 64-bit platforms.
Merge branch 'maint'
digital: made the tagging description for packet header gen more explicit
digital: adding string.h include for memset.
docs: More and better docs for tagged stream blocks (and some childs)
Merge branch 'master' of gnuradio.org:gnuradio