Removed whitespace and added dtools/bin/remove-whitespace as a tool to do this in the future.
The sed script was provided by Moritz Fischer.
Removing usrp, usrp2, gr-usrp, gr-usrp2. Everything is moving to using UHD. Also removes related M4 and dependency requirements for USRP-related libs.
Merged -r8639:8641 from jcorgan/gruel into trunk. Adds libgruel, the GNU Radio Utility Etcetera Library. See README for description.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@8642 221aa14e-8319-0410-a670-987f0aec2ac5