Corrected float division to integer division.
Revert "Added -v option to unittest."

This reverts commit 250c70aca2c479781a71c78a087a6c74b26c23e8.
Move Context class to its own module, context.py.
Change imports to reflect moving of Context class.
Remove old copy of Context class form client.py module.
Change __init__.py to reflect omve of Context class.
Merge pull request #180 from enthought/bugfix/integer-division

Correct parallel test division to be integer, not float.
Merge branch 'master' into cowlicks-move-context
Merge branch 'master' into test-mpiutils