Confirmation/ Error msgs for Coupon Instance Pinning/ Editing

[bluecrayon52]

Acceptance Criteria:

• error message highlights fields that have invalid information
• a pop up confirmation window from the pin coupons page that asks the sales executive if they are sure they want to pin the coupon instance they have selected to the locations they have selected.
• confirmation popup message before canceling coupon instance pinning/ edit
• confirmation popup message before saving/ updating coupon instance information
• confirmation popup message before deleting the coupon instance from its pinned location

Pinned Coupon Instance Information:

• Title
• Description
• Instructions
• quantity
• preViewingDate (validate that, if set, it is before or on collectStartDate, default date of pinning)
• collectStartDate (required, validate that it is before or on collectEndDate, default date of pinning)
• collectEndDate (required, validate that it is on or after collectStartDate, default collectStartDate + 24 hrs)
• redeemStartDate (required, validate that it is on or after collectStartDate, default date of pinning)
• redeemEndDate (require, validate that it is on or after redeemStartDate, default date of pinning + 30 days)