Wrong inactivation; wrong philistration
workflow import: reverting csv table, because the workflow brick is going to do the trick.
removing comments from removal workflow brick.
workflows: after moving to a new group, the last membership needs review, i.e. the admin has to confirm the valid_from date. The new workflow brick is: LastMembershipNeedsReviewBrick.
workflow import: adding sequence index when importing to keep the steps in the right order.
Merge pull request #27 from fiedl/jb/496_wrong_inactivation

Fix workflows.