Cleanup OggTheora support.

There was no way to know if vtkIOMovie had OggTheora support enabled. Hence
adding a vtkIOMovieConfigure file that has this configuration made available.
Now when OggTheora support is available, vtkIOMovieConfigure.h defines
VTK_HAS_OGGTHEORA_SUPPORT.

Change-Id: I1efe54cb43f3ea09ab36a7bfa5a6a13d9b5c0593
Merge topic 'fix_ogg_support' into master

227749cb Cleanup OggTheora support.