Added test; test_analysis_engine_uplaod uses sessions

* add tests for download endpoints in api/handlers/listhandler.py

* add acquisition and analyisis w/ files to increase gear suggest coverage

* increase JobHandler and JobsHandler coverage

* increase project rules coverage

* increase batch job coverage

* move report tests into test_reports.py

* add coverage for avatar and origin joins on container GETs

* increase coverage of api/dao/hierarchy.py with uid-upload edge cases