grc: no tooltips for old GTK versions
Fixed inconsistent spacing in perror output
fixed UHD manual URLs
Merge remote-tracking branch 'mmueller/runtime_fix_spacing_in_perror' into maint
Merge remote-tracking branch 'mmueller/gr_uhd_fix_URLs' into maint
Merge remote-tracking branch 'gnuradio-wg-grc/maint_grcwg' into maint
fixed tiny typo (send_meassage->send_message)
blocks: Improved docs for repack_bits
Merge remote-tracking branch 'martin/blocks/repacker_docs' into maint
digital: fixed byte-in, byte-out version of the TSB correlate access code. Matches behavior of the float-in, float-out for bit streams.
fec: fixed bug in dummy decoder that shifted the samples by +1.
fec: cleanup