review and edit the virtualenv note
add section about setting up custom bucket keys and clean up bucket configuration section a little
switch to code-blocks and propery backticks in build.rst
refine language to specify that the anatomy of a project is for the default open source base template
Merge branch '0.9-beta5' of github.com:newsapps/flask-tarbell into 0.9-beta5
Merge pull request #122 from eads/0.9-beta5

Review anatomy of a project section, plus code block cleanup