Merge branch 'baagaard/remove-python-eggs' into next
Merge branch 'next' of github.com:geodynamics/pylith into next
Merge branch 'baagaard/remove-python-eggs'

* baagaard/remove-python-eggs:
  Ignore more generated files.
  Added version number to pylith Python module.
  Remove use of Python eggs.
Removed CUDA formulation stuff.

Remove old CUDA formulation stuff that is incomplete.
Updated ignore for Python compiled files.
* baagaard/feature-remove-old-cuda:
  Removed CUDA formulation stuff.
* baagaard/feature-remove-old-cuda:
  Removed CUDA formulation stuff.
* master:
  Updated ignore for Python compiled files.