ofTrueTypeFont: fix spacing, kerning, hinting and clean code. Closes #2787
iOS Fixes for #2469 and Device Definitions Update

- Updated Enums to be in correct oF Style.
- Updated Defines to be in correct oF Style.
- Enums now backwards supported for pre-0.8.
- Updated Device definitions with all released iOS Devices

Implemented above fixes as mentioned in #2469
Fix for parsing a string of format "r,g,b,a" (without comma's). This adds proper support for the XML standard.
iOS autoreleasepool changes - Changes for #2808
Minor typo fix.
adds cleaner exit code to GLFW apps
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.
Added ofDirectory canRead/Write/Execute functions. Fixed #1669
Fix for issue with UDP multicast socket on OSX.

Previously I was unable to bind multiple listeners to the same multicast
socket as OSX seems to require SO_REUSEPORT option to also be set on the
socket.

Resolves #2937.
Merge pull request #2939 from tsungg/bugfix-osxudp-multicast

Fix for issue with UDP multicast socket on OSX.
ofxGui: fix bugs in last commit
update CHANGELOG
ofFbo: fix min/max filters settings
iOS-VideoGrabber Fixes

-Fixes for iOS revisions less than 7.
-Now builds against SDK levels lower than 7
added ofxiOSSoundPlayer getAVSoundPlayer() method.

ofxiOSSoundPlayer getAVSoundPlayer() returns a pointer reference to the
native AVSoundPlayer object. this is the same as in the
ofxiOSVideoPlayer.
ofGLReadyCallback() updated

Updated ofGLReadyCallback() to fix crash on check for GLSL version when the OpenGL context version is < 2.0.
Update to ofGLReadyCallback()

Changed ofGLReadyCallback() to check for null pointer of GLSL version string instead of checking OpenGL version and proceeding from there.