Vol. Sign-up Approval Workflow

Allow vol project admin to accept/reject volunteer shift-sign-ups with appropriate and automatic email notifications to volunteers.
... to send emails directly to a volunteer.

Allow a vol project admin to view a volunteer's availability. either by explicit date/times or a rule or pattern based availability.

Allow a volunteer admin to view vol commendations in a compact (table?) format when validating sign-ups.

Allow a volunteer admin to easily drill-down into a volunteer's history of volunteering when validating sign-ups.