Merge pull request #35 from kmarsteller/master

changing instructions for test_branch
Incorporated Keith's changes to the process for building machines on Amazon EC2.
Merge pull request #36 from pziegfeld/amazon_updates

Incorporated Keith's changes for building machines on Amazon EC2.
Made minor updates to sections on editing plugins and updating Sphinx.
Merge pull request #37 from pziegfeld/updating_Sphinx

Made minor updates to sections on editing plugins and updating Sphinx.
new additions to release building
Merge branch 'master' of http://github.com/OpenMDAO/OpenMDAO-Procedures