Added new pylith-0.8 branch, which we will now use as our 'stable'
branch.
Moved to correct filenames
Path to application corrected
Need to reassign mesh with the distributed mesh
Changed code so that coordinates are indexed by node number rather than
order in the file.
Changed things so elements are referenced by number rather than order in a 
file.
Added simple split node test, splitting a block in half.
This should be correct, but hasn't been tested.
Added method and support for viewing fields in VTK
Fixed injection of boundary values in visualization
I now use the original element number indxiel(elem) in the call
  to assembleMatrix()
  - This means I have to preserve the indxiel array
Example problem with 2 materials.
Added new index array to original element numbering.
Updated bindings for sort_elements to include new index array Ielindx.
Updated bindings for new index array Ielindx.
Updated call to sort_elements to also contain new index array Ielindx.
Replaced Indxiel with Ielindx.
Updated to use ielindx array rather than indxiel.
Updated to use ielindx array rather than indxiel.
Updated to use ielindx array rather than indxiel.
Updated routine to use ielindx array.
Updated routine calls for ielindx array and added some documentation.