Updated MatlabBridge to 0.5.0: bugfixes

See details at https://www.assembla.com/spaces/slicerrt/milestones/4053603-matlabbridge-0-5-0
Converted MatlabBridge.s4ext EOLs to unix (LF)
Merge pull request #374 from SlicerRt/update-MatlabBridge

Update MatlabBridge to 0.5.0: bugfixes