Update devel/umbrello to version 4.12.4_1
Tweak math/octave-forge-gsl version 1.0.8_14
Update x11/mate-session-manager to version 1.6.1_1
Update x11/libfm to version 1.2.0_1
Update x11-wm/mutter to version 2.31.2_4
Update math/octave-forge-octcdf to version 1.1.7_2
Update misc/lxde-common to version 0.5.5_5