Fix cube example.

See merge request !49

Change default OBJ reader to vtkOBJReader

Create helper function to read texture coordinates from the OBJ mesh. This fixes issues with mesh index ordering.

See merge request !43

Close #37

Create helper function to read texture coordinates from the OBJ mesh.

Issue #37

Fix SimMedTK_SUPERBUILD_EP_ARGS for the vtk external project.

See merge request !48

New VegaFEM example

Add a very simple example scene for debugging and testing. It is a small model (5 tetrahedra, 8 points, arranged in a unit cube) that runs quickly compared to the dragon scene.

See merge request !46

Don't over-specify VTK location.

See merge request !47

This adds the "dropbox" example to the **build directory**
named `Examples/vegaFem/dropbox`. Running `vegaFem` on the
`dropbox.config` file will simulate a cube being dropped onto a plane.
This example is intended for debugging and testing purposes.

... when a delegate's modified() method is called.

Fix vega example

The segfault can't be reproduced in vtk 6.2.

A thorough debugging is necessary in order to find out why VTK is crashing in linux.

See merge request !44

Refactor renderCube and vegaFEM examples.

fixes #36

in order for the superbuild to work as designed.
Remove debugging from vtk objects.

Vtk rederer integration

See merge request !36

delegates.
The way render delegates need a bit of work.

Automating the way renderers are loaded.

Fix broken tests.
The renderCube example is broken now. Submitting patch soon.

Revert to build command in the Superbuild so that parallel
build work again.

Clean up and add static scene delegate.