Merge branch 'refs/heads/master' into develop
Rename point cloud types
Update Xcode projects
Add PointXYZI type
Add PointXYZI convert function
Update examples
Merge remote-tracking branch 'origin/develop' into dev

Conflicts:
	example-extract-indices/src/testApp.cpp
	example-greedy-projection/src/testApp.cpp
	example-resampling/src/testApp.cpp
	example-statistical-removal/src/testApp.cpp
	example-voxel-grid/src/testApp.cpp
	src/Utility.h
	src/ofxPCL.h