Refs #2. Added the neckbead config file to fixtures and the loader tests.
Added neckbeard to the file loader. That was surprisingly easy.

Good job, past Wes.
Refs #2. Stubbed out loading the ResourceTracker from configuration.
Refs #2. Pull the neckbeard info from the loader.
Sketched out outlines for some tutorials
Refs #2. Added some docstrings and modified the configuration API.

Now that ConfigurationManager is responsible for creating both
environment-specific configurations and a Neckbeard "meta configuration",
the API needed a bit of cleanup.
Refs #2. Implemented neckbeard meta configuration evaluation.
Refs #2. Added some logging for Jinja2 errors.
Refs #2. We now have a stubbed-out ResourceTracker in our actions.
Refs #2. Changed tests to use `neckbeard_meta` instead of `neckbeard`
Refs #2. Now using `neckbeard_meta` everywhere.
Refs #3. Improved the configuration template warning messages.
Refs #3. Moved the SimpleDB initialization to the resource tracker with fixes.

Coerce credentials to strings and properly create the new Meta.
Refs #2. Improved docstring and ResourceTracker interface.

Hooray code review.
Merge pull request #2 from winhamwr/issue_2

Closes #2. Add a meta config file for Neckbeard itself