rename todo/org_mode.mdwn to plugins/contrib/org_mode.mdwn
update for rename of todo/org_mode.mdwn to plugins/contrib/org_mode.mdwn
update for rename of todo/org_mode.mdwn to plugins/contrib/org_mode.mdwn
update for rename of todo/org_mode.mdwn to plugins/contrib/org_mode.mdwn
update for rename of todo/org_mode/Discussion.mdwn to plugins/contrib/org_mode/Discussion.mdwn