Removed gr.flow_graph, gr.hier_block and friends. From here on outall work on the trunk must use gr.top_block and gr.hier_block2.Merged eb/fg-no-more -r7602:7606 into trunk.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@7607 221aa14e-8319-0410-a670-987f0aec2ac5
Merged r4518:5130 from developer branch n4hy/ofdm into trunk, passes distcheck.
Adds incomplete OFDM implementation, further work to be completed in thefeatures/ofdm branch.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@5131 221aa14e-8319-0410-a670-987f0aec2ac5