Did a small refactoring to eliminate redundancy in API input checks.
Implemented item/all-items and collection/all-collections at the Clojure API level in prep. for implementing them at the API level.
Created a high-level externals architecture sketch.
Added some new externals (API wrappers and clients) to the roadmap.
Upgraded to CouchDB 1.3.1 on main dev. machine.
Changed license from MIT to Mozilla Public License v2.0.
Added DB view initiation as a ring :init so it's not skipped when starting the server from lein ring.
Support configurable CouchDB connection, and default to test DB when running tests.
Factor out config into its own namespace.
Move liberator trace config into the config namespace.