core: Add min_noutput_items to gr_block.
utils: added modtool
utils: modtool now installs an example dir instead of the bz2
utils: modtool minor updates
modtool: added copyleft headers
modtool: dir template update (added list for sources)
modtool: more flexibility w/ adding and removing entries
modtool: newmod uses gr.prefs or --srcdir
modtool: bugfixes
modtool: cleanup, bugfixes
core: Enabling msg_connect within python blocks.
modtool: bugfix, BLOCK_MAGIC should appear before %include
modtool: fixed block_magic and %include order
core: typedef vector<unsigned int> so SWIG can handle including it multiple times.
analog: fix a floating point accuracy issue in the CTCSS squelch block.
build: fixing generated includes, deps, and header installation.
Merge branch 'maint'
Merge remote-tracking branch 'martin/grmodtool'
Merge remote-tracking branch 'reynwar/min_output'
Merge remote-tracking branch 'reynwar/python_msg'