runtime: added operator == for tags
runtime: added remove_tag_item()
Merge branch 'master' of http://gnuradio.org/git/gnuradio
Merge branch 'ofdm-master' of git://github.com/jmcorgan/gnuradio into ofdm-master
digital: converted ofdm prefixer to be a tagged stram block
digital: fixed hpd test failure
digital: fixed some unit tests
Resolved conflicts
Merge branch 'ofdm-master' of github.com:mbant/gnuradio into ofdm-master
digital: unit tests now dont hang at dropped tags