Merge branch 'refs/heads/master' into develop
Rename point cloud types
Update Xcode projects
Fixed return expression of segmentation
Added cluster extraction function
Add PointXYZI type
Add PointXYZI convert function
Update examples
Cluster extraction abstraction
Merge cluster extraction commits into dev
Replaced obsolete 'value_type' with 'element_type'
Instruction for win_cb
Updated instruction to avoid opencv/pcl conflict
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
Update templates to 0.8.1; examples a bit messed up; improved visualization
gp3 implmentation and instantiation in ofxPCL.cpp
Moved several implementations to cpp
Delete plane segmentation from clusterExtraction and bug fix
Option for segmentation to make 1st parameter residual
Limit point types for triangulation