CiviContribute Premiums: Add (Offline) / Edit Contributions

This section describes the followed required functionality (for users with "access CiviContribute" permissions):

• Assign a premium when adding an offline contribution for a contact OR when editing an existing contribution
• Modify the premium or the premium option (size, color, etc.) assigned to an existing contribution (including "removing" a premium)
• Mark a premium as 'fulfilled' for a contribution (by entering Fulfilled Date)

NOTE: For this version, we will only support 0 or 1 premium per contribution.

1. Add/Edit/View Contribution (/contact/view/contribution)
1.1 Add a "Premium" column to the Selector (contribution listings) - value is civicrm_product.name
1.2 Add fieldset (above custom field groups) for "Premiums". Fieldset includes

• Premium: <select> field with all active civicrm_product records as options. Product name and (SKU) is in OPTION label.
  Blue Mug (BMUG-1093)
• Use Javascript to populate display of "Minimum Contribution Amount: $nn.nn" on next line as product option is selected
• If the product has options (e.g. Small, Medium, Large), use hierselect to display an Options: <select> field next to Premium: field
• Fulfilled: [ date field w/ calendar widget ]
  1.3 Insert civicrm_contribution_product record on save if this is a new contributiion.
  1.4 When editing existing contribution, if a premium has been added (there was none associated w/ this contribution) - insert contribution_product record. If a different premium has been selected, insert new one and delete old one.