Updated to latest JEX interface.
Added workflow cancellation closes #12.
Added cancellation support to dialog closes #15.
Added public user restriction closes #17.
Jobs status are new persisted within get_result closes #16.
Removed unused columns from the jobs table.
Fixed error messages not being displayed.
Removed dead code.
Merge branch 'dev' into jobs
Merge branch 'dev' into jobs
Merge branch 'dev' into jobs
Minor cleanup.
Merge branch 'dev' into jobs
Added Failed job status to Jobs.
Load error message into results window.
Merge branch 'dev' into jobs
Currently termination not supported.
Merge branch 'jobs' into dev