workflow 6.x-1.0

Changes since DRUPAL-6--1-0-RC4:

• Workflow 6--1 branch created.
• #300925 by rastatt: update German translation
• #316246 by Arricc, #344448 by kleinmp: set serial fields on workflow installations that have been upgraded from Drupal 5
• #339662 by bj.drupal: explicitly declare primary keys to be not null
• #319793 by kratib: add $force parameter to workflow_execute_transition()
• #243015 by gnassar: use the $force to effect scheduled workflow transitions during cron
• #349316 by neochief: remove scheduled transition if manual state change has happened in the meantime
• #329680 by deekayen: avoid notices by defining WORKFLOW_DELETION
• When a workflow state is deleted, correctly assign nodes in that state to alternate state chosen by user
• #343694 by nextpulse: suppress workflow tab on node types with no workflow assigned
• Detect presence of autoincrement fields during update 6101 to avoid scary page of database errors if autoincrement was added by hand
• #337439 by traxer: play nice with other possible submit handlers by saving workflow and state information in the form state
• #288649: consistently begin table rows with odd class
• #333424 by Gribnif: notify other modules when workflows, states and transitions are deleted
• #336040 by tecto: when queried for all states, workflow_get_states() now returns Workflow Name: State Name