Ignoring the database.yml file

For your own deployment, create your own database.yml from the default
Some more test data for patchsets
Created stubs for the various tasks
Adding in patchsets

* Added two-way relation in model and migration
* Migrated to the latest schema
* Leaving in fixtures, although we may want to clean it out.
More rake tasks

* rake run:clean will delete all data from tables
* rake run:load will now load patchsets
* rake run:clean_load is an alias for the above two
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