CLC-2817 - CFV - Follow up changes from Joyce email on Nov 12, 2013

https://jira.media.berkeley.edu/jira/browse/CLC-2817

* Add [Make Payment] button as long as Account Balance is > $0
* "These do not include the amount due on DPP." when myfinances.summary.isOnDPP && !myfinances.summary.isDppPastDue