Update Cosmo filters/readers.

Update cosmo readers/filters xml based on changes to VTK. Now vtkCosmo depends
on MPI hence we depend on that module only when MPI support is enabled. Also
added XML for adaptive cosmo reader.

Change-Id: I3e98dd6102037895e2e59fd238e484df48cf894a
Update VTK to bring in Cosmo fixes.

Change-Id: I97898935834b041559540151a7b72f5b016a2f50
Merge topic 'add_cosmo_reader' into next

d6cfb0a Update VTK to bring in Cosmo fixes.
6e69f4e Update Cosmo filters/readers.