Const-corrections for ofUtils.
Merge pull request #2911 from openFrameworks-ofFont/feature-ofUtils-const-correction

Const-corrections for ofUtils
Gstreamer stride fix for videos with unusual widths
Merge branch 'master' of https://github.com/openframeworks/openFrameworks.git into rexgo
two small fixes
reverting change
Merge pull request #2921 from pierrep/bugfix-gstreamer-stride

Gstreamer stride fix for videos with unusual widths
changelog for last commit
Merge branch 'master' of github.com:openframeworks/openFrameworks
PG update submodules to last commit
Merge branch 'master' of https://github.com/openframeworks/openFrameworks.git into rexgo