[#6480] Remove whitespace from shortname; use autofocus

Signed-off-by: Tim Van Steenburgh <tvansteenburgh@gmail.com>
[#6480] TracExport bug fixes

- Pass in options explicitly instead of attempting to read from a
  non-existent global object.
- Improve logging.
- Fix infinite loop bug.

Signed-off-by: Tim Van Steenburgh <tvansteenburgh@gmail.com>
[#6480] Importer bug fixes

- Normalize trac urls
- Flush new app configs and related objects before importing artifacts
- Add options needed for WikiExporter

Signed-off-by: Tim Van Steenburgh <tvansteenburgh@gmail.com>