changes to some test data and tests
added back in refdatamanager get_repository_id function
a couple new model methods
Merge pull request #25 from mozilla/allow-objectstore-update

refactor objectstore to allow updates
jobartifactparser begun, with failing tests
merged from master
added datadiff module for diffing dicts.  also new tinderboxprintline sub parser.
merged
added build_url to pulse consumer
add list and detail methods to the objectstore endpoint
the build_url can come from multiple pulse attributes
before stripping subparsers.  updated error parser, new test logs
refactor all parsing to subparsers
finished name change from parsers to artifact builders and sub parsers to parsers
moved builders into a single module.  parse_complete is now just complete
finished removing the job_type.  This and the previous commit.
fixed unit test files
fixed some test coverage
finished coverage
Merge pull request #30 from mozilla/build-url

Build url