Adds test for update queries
Merge branch 'hotfix/0.2.5'
Merge pull request #31 from lyndsysimon/feature/update_query_tests

Feature/update query tests
minor fixes to update / remove tests
ignore foreign fields in clone
Merge pull request #36 from sloria/cheeseshop

README + setup.py enhancements
Slight refactor to accomodate Nose's test discovery.
Merge pull request #41 from lyndsysimon/feature/nose_compatibility

Slight refactor to accomodate Nose's test discovery.
Merge branch 'master' into develop
Merge branch 'master' of https://github.com/CenterForOpenScience/modular-odm into develop
fix failing tests: remove _test_methods in tests; mark updated objects as dirty
Merge branch 'develop' of https://github.com/CenterForOpenScience/modular-odm into develop