linux codeblocks: fix groups
return value fix.
geometryShaderExample: check for support and exit if not. Closes #2436
Merge branch 'develop' of github.com:openframeworks/openFrameworks into develop
gpuParticlesExample: check geometry shaders are available
Merge branch 'develop' of https://github.com/openframeworks/openFrameworks.git into develop
Update CHANGELOG.md
create_package: remove non working examples for armv6&7
Merge branch 'develop' of github.com:openframeworks/openFrameworks into develop
ofImage: fix clone for empty mom. Closes #2437
Merge branch 'develop' of https://github.com/openframeworks/openFrameworks.git into develop