Add AirwaySegmentation extension
Merge pull request #365 from SlicerRt/update-MatlabBridge

Updated MatlabBridge extension to 0.2.0.
Merge pull request #361 from PietroNardelli/add-AirwaySegmentation.s4ext

New extension for Airway Segmentation starting from chest CT images
Updated MatlabBridge

Changed cli_pointvectordecode.m to return points in columns to allow transformation by multiplying with a matrix from the left. Fixed examples accordingly.