utils: added cmake support for the gr-utils
uhd: removing old USRP util files that have been replaced in gr-uhd/apps.
utils: fixed typo
fixing constellation plotter to gracefully handle the end of a file.
gr-utils: move non-GUI apps using old libusrp(2) into gr-usrp or gr-usrp2
One step (of many) to convert GNU Radio to use new Ettus Research UHD driver.
gr-utils: updating gr_plot_psd.py to protect against zero-length arrays in get_data.
gr-utils: more error checking on filter designer.
gr-utils: adding save/open capabilities to equiripple filters. Also added some error checking on opening and saving files.
gr-utils: handling parameters and GUI updates when loading filters from file. Only for windowed filters.
gr-utils: refactoring design parameters from 'design' to 'params' to not conflict with design function.
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