CRM-38: Show Recurring Contributions on Membership Modal View

CRM-38: Show Recurring Contributions on Membership Modal View

Currently, when viewing a membership from contact's detailed view (on
memberships tab), it is hard to tell if a membership has any recurring
contributions associated to it, even though you can see all payments done for
the membership.

Added a recurring contributions section below the contributions table
currently being shown, by loading recurring contributions using ajax call to
load list of recurring contributions.

Added recurring contributionslist to membership edit view using ajax call.