- Improve the testing of the Python Cookbook
    - Create a recipe to test virtualenv
      - Created test_virtualenv.rb
      It will create a virtualenv directory and destroy one.
    + Test scenario will verify that bin/activate exists and the virtualenv that is to be destroyed; is.
    - Create a recipe to exert virtualenv and the pip provider
      - Created test_exert.rb
      It will install boto and psutils
    + Test scenario will verify that bin/activate exists and python can import boto and print *boto.Version*
    - Create a test scenario for the source recipe
    + Test scenario will verify that /opt/bin/python exists and returns 2.7.1

Original tests were made by Sean Porter <portertech@gmail.com> and exert and other test scenarios were enhanced (and created) by Scott M. Likens <scott@mopub.com>

Signed-off-by: Scott M. Likens <scott@likens.us>
  - After rebasing and accepting Opscode's source stanza it broke our source test.
    + It will now look in /usr/local/bin/python
    + It will run /usr/local/bin/python to get the version number

Signed-off-by: Scott M. Likens <scott@likens.us>