Issue_83 opening Workunit Issues

No need for temporary project/file when openining a WU.
Open WUs are not persisted between sessions.

Fixes Issue_83

Signed-off-by: Gordon Smith <gordon.smith@lexisnexis.com>
Merge pull request #84 from GordonSmith/Issue_83

Issue_83 opening Workunit Issues

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>