ofParameter: trying to fix friend for osx
ofParameter: trying to fix friend in read only paramter for osx
Merge branch 'bugfix-ofParameterFriend' of 10.42.0.1:Desktop/openFrameworks into bugfix-ofParameterFriend

Conflicts:
	libs/openFrameworks/types/ofParameter.h
fix for ofReadOnlyParameter
remove unused files
makefile osx xocde3: fixes glfw
Merge branch 'develop' of github.com:openframeworks/openFrameworks into develop