Two locations where null pointers could be called.
Merge pull request #3050 from bakercp/bugfix-ofXML-null-pointer

ofXML: Two locations where null pointers could be called.
glfw windows compiled to fix vsync
create_package: remove ofxVectorGraphics and ofxKinect from ios and android
ofConstants: 0.8.2
Merge branch 'master' of github.com:openframeworks/openFrameworks
Merge branch 'master' of https://github.com/openframeworks/openFrameworks.git into rexgo