math/octave-forge: Bump portrevision.
Mark broken and set optional dependency to off in math/octave-forge:
math/octave-forge-bioinfo
math/octave-forge-coder
math/octave-forge-financial
math/octave-forge-fits
math/octave-forge-fuzzy-logic-toolkit
math/octave-forge-gnuplot
math/octave-forge-informationtheory
math/octave-forge-irsa
math/octave-forge-level-set
math/octave-forge-nnet
math/octave-forge-plot
math/octave-forge-queueing
math/octave-forge-symband