Move Tortuosity module to VesselView

For TubeTK, this only involves removing deleting the TortuosityModules
folder.
Merge branch 'RemoveTortuosityModule'

* RemoveTortuosityModule:
  Move Tortuosity module to VesselView
Batch fix of warnings

Mostly unused variables

Change-Id: I14a810e11c75ca08604bd6409cc103b212a90936
Merge branch 'RemoveWarnings'

* RemoveWarnings:
  Batch fix of warnings

Change-Id: I1e1b3a82e7373e3fb276ce8242a6828ac74a3bd2
Fix compilation error introduced in previous commit

Also take advantage of this and remove some warnings.

Change-Id: I0d4e7ed860f2881c00845eb9a06eea41ad85b4fc
Merge pull request #367 from vovythevov/RemoveWarnings

Fix compilation error introduced in previous commit