- replaces ad_export_vars with export_vars

- Added workflow updates in order to eliminate
  "modify" as the first transition in a WF

  OpenACS 5.9 does not allow anymore single percentages
  without enclosing double quotes such as: width=100%
  Instead, we have to write now: width="100%".

  - Excluding deleted users and
  - Showing a link to the UserViewPage for each user

  List of stakeholders now sorted by name

  Allowing to add all employees to the notification area of discussions

  Now all members are checked

  now allowing for "allhtml" for the ticket message

   Icons URL's now get an object_id parameter. Direct assignment to object instead of select box

  - Fixed l10n
  - Assignee list now orderd

  Fixed issue with double quotes in forum subject

  Removed disabled users from list of
  potential forum assigneees

  Exported English

  Fixed English and German translation

  Exported strings from SL

   added sanity check for empty subject