Fixes for compile time errors on C++11
Chnaging c-style string in error stream of ofxSoundUnit.cpp
Merge pull request #3371 from procedural/c++11-fixes

Fixes for compile time errors on C++11
Changing deprecated commands in addons and examples
Merge pull request #3372 from procedural/warning-fixes

Changing deprecated commands in addons and examples
ofxiOS scaleFactor fix

with the release of iPhone 6 and iPhone6+ the content scale of the
opengl view can now go up to 3.0
it now important to have more control over the scaleFactor to prevent
old projects breaking on these new devices.
Merge pull request #3373 from julapy/ios-scaleFactor-fix

ofxiOS scaleFactor fix
Merge branch 'master' of github.com:openframeworks/openFrameworks into refactor-multiwindow
ofVbo: fix enabling of default attr with programmable renderer
Merge branch 'master' into refactor-multiwindow
fix node primitive inheritance
ofAppGLFWWindow: init glew only once
optimize materials
ofImage: load data if texture is already correctly allocated
ofxGui: bitmap font as static
explicit renderer example: better settings
fix all examples to compile
ofShader: remove unneeded mutables
fix android + move touch events to base app
blendingExample, set default value + remove unused variables