[Commit-gnuradio] [gnuradio] branch maint updated (bf6d4e2 -> b0a992a)

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jcorgan pushed a change to branch maint
in repository gnuradio.

      from  bf6d4e2   Merge remote-tracking branch 
'gnuradio-wg-grc/maint_grcwg' into maint
       new  b0a992a   runtime: fix hierarchical block message port 
flattening/GRC usage

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Summary of changes:
 gnuradio-runtime/include/gnuradio/basic_block.h    |  6 +-
 gnuradio-runtime/lib/flat_flowgraph.cc             | 27 ++++++-
 gnuradio-runtime/lib/flat_flowgraph.h              | 12 +++
 gnuradio-runtime/lib/hier_block2_detail.cc         | 90 ++++++++++++++--------
 .../python/gnuradio/gr/qa_hier_block2.py           | 51 +++++++++++-
 .../blocks/qa_hier_block2_message_connections.py   | 12 +--
 grc/python/flow_graph.tmpl                         |  4 +-
 7 files changed, 152 insertions(+), 50 deletions(-)