Record username when locking, report username when already locked
Allow individual ProcessHandles to be removed
rhbz996939 Check lock when uploading/clearing TM, report lock errors in web UI
Ensure TM table is refreshed when last TM is deleted
Fix creation of TMs
Remove unnecessary Restrict
Merge pull request #134 from zanata/lock-tm

rhbz996939 Check lock when uploading/clearing TM, report lock errors