Additions/Alterations to Contract Selection Screen and behavior.

For multi-entitlement pools, the user should be able to select a quantity on each row and have the 'Subscribe' action use all rows and entries.

When the quantity is selected on the All Subscriptions screen it should be validated against the number available before proceeding. The Contract Selection screen should calculate the amounts available from the pools and pre-populate the quantity fields.

The user can still adjust quantities as desired. A check needs to happen on the client to ensure that each quantity chosen does not exceed the number available. In addition it needs to ensure the sum of the quantities is not more than the original quantity from the All Subs screen.

The '* Click to Adjust Quantity' field should only show when a multi-entitle product is in use.

When the Subscribe button is used from the Contract Selection screen is used any pool subscribe failures should be reported, but should not short-circuit the process. [Any that can work, will]