ofEvent: fix for void events. Closes #1166
ofUtils: comment objective-c headers for iOS, related to #1824
Merge branch 'develop' of github.com:openframeworks/openFrameworks into develop
fixed ios project so includes in ofUtils.cpp are interpreted correctly as obj-c
Merge pull request #1825 from roymacdonald/hotfix-iOSproject

fixed ios project
Merge branch 'develop' into feature-VoidEvent

Conflicts:
	libs/openFrameworks/events/ofEventUtils.h
Merge pull request #1398 from arturoc/feature-VoidEvent

Feature void event
Merge branch 'develop' of https://github.com/openframeworks/openFrameworks.git into develop