VOL-23 - When an admin adds a contact to the flexible role (i.e., to the Available Volunteers pool) via the Assign UI, use the event time rather than NOW for the activity date.
VOL-23 - Update the activity date when a volunteer is dragged from one shift to another in the Assign UI.
VOL-23 - If a user signs up for the flexible need, the volunteer activity uses the event time rather than NOW for activity_date_time.
VOL-23 - Set activity status when creating new volunteer
Merge pull request #152 from fjg-conflux/VOL-23

Fixes VOL-23 - Activity date is being set to NOW instead of to Need date in some cases