Sprout from master 2015-11-19 20:18:58 UTC Frank Bergmann  <frank.bergmann@project-open.com> '- Fixed export_vars brace vs. brackets'
Cherrypick from master 2005-05-07 14:45:38 UTC Frank Bergmann  <frank.bergmann@project-open.com> 'Initial import':
    www/hour_matrix_report.tcl

- replaces ad_export_vars with export_vars

  in order for compatibility with OpenACS 5.9

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

  Fixed error introduced by tightening permissions

  Fixed permission issue

   Added ad_returnredirect

  Re-assigning hours from one project to another or
  changing hours:
  Fixed bug with cost/timesheet cache that didn't get
  updated correctly after moving hours

-- User Absence Portlet - show links to create new absences when named parameter: -show_new_absence_links_p is set

   Minor changes function names

  Removed the callback absence_on_change

  Added im_user_absence_nuke

  Added profiles as options for selecting absences

  Added argument checking for user_id

  Fixed apparently uncommitted change

   pre-setting done in page_contract had been ignored in some cases

  Added im_hour_nuke function in order to destroy logged hours
  for the REST interface

  if uses modify already submitted hours