Make buffer-strings explicitly bytestrings...

for python 3 compatibility.
Add an `__init__.py` to the validator dir.
Change terminology from 'undistributed' to 'no-distribution'.
Fix a table rendering error.
Add a comment on 0d arrays.
Merge pull request #49 from enthought/bugfix/test-validator-broken-for-py3

Make 'buffer' strings explicitly bytestrings in validator tests
Merge pull request #50 from enthought/feature/add-validator-init

Add an `__init__.py` to the validator dir.
Merge pull request #53 from enthought/feature/undistributed-to-no-distribution

Change 'undistributed' to 'no-distribution'
Remove MPI references from the Protocol.
Change to Kurt's suggested wording.
Fix typos.
Merge pull request #54 from enthought/feature/address-0d-case

Add a comment on 0d arrays.
Merge pull request #63 from enthought/remove-mpi-refs

Remove MPI references from the Protocol.
Adds process grid description, fixes #56.
double-backtick-ize.
Merge pull request #64 from enthought/process-grid-description

Process grid description
Added blockcyclic-blockcyclic plot.
Merge branch 'master' into more-examples