Incremental work on unit test refactoring.
Work on moving all unit tests over to midje. Added tests for creating an item with a reserved property. Updated some dependencies.
Finish converting item browsing unit tests over to all midje.
Refactor item categorization tests to use midje. Some cleanup on item browsing tests. Fixed a minor bug with null argument that the testing found. Clean up unused functions in testing lib.
Dependency update. Remove git repo pull from build alias.