Initial progress on documentation of ofUtils.h.
Typo fixed.
Merge branch 'master' of github.com:openframeworks/openFrameworks into feature-documentation

Conflicts:
	libs/openFrameworks/utils/ofUtils.h
Some typo fixes.
Merge branch 'master' into feature-documentation

Conflicts:
	libs/openFrameworks/utils/ofUtils.h
fix incorrect signature for ofToDataPath()
Merge pull request #2914 from openframeworks/feature-documentation

Initial progress on documentation of ofUtils.h.