added jobs methods.  partially done.  tests not working yet.
Merge branch 'master' into jobsmodel-api
working on tests.  minor updates to urls.
Merge branch 'master' into jobsmodel-api
fixed a few tests.  still not working for the update_status yet
partially working now.  url route is correctly created. but test still not passing
update state now working
new tests for coverage.
one more test for coverage
code cleanup
throw exception insted of return None when not found
Merge pull request #34 from mozilla/jobsmodel-api

Jobsmodel api