wavelet: fix for -lgslcblas getting stripped out of the link flags due to -Wl,--as-needed default on newer gcc toolchains, results in missing blas symbols at runtime
Merge branch 'maint'
channels: update float_vector to real_vector in grc defs
runtime: makes sure if capping to max_noutput_items with output_multiple that the value is always an output_multiple.
core: makes sure if capping to max_noutput_items with output_multiple that the value is always an output_multiple.
Merge branch 'maint'
grc: revert ce52bd370 fixes problem with order
grc: allow multiple ports with varying nchan
grc: fix port names (index relative to port type not absolute)
grc: white background
grc: white blocks for nicer screenshots
blocks: add append option to file sink