Adds the MSSQL wrapper class file to rcpl_commerce.info.
Adds logic to add credits to patron.
Adds a wrapper class around Horizon MSSQL calls.
Updates form alter for add fines to cart form to handler options for disabling submit if there are credits.
Adds additional options to add fine to cart form handler to disable submit on credits.
Adds a CSS rules for the message displayed when submit is disabled because of fine credits.
Updates the User Fines view to hide submit button if user has credits.
Get expanded credit types from Horizon and assign to fine type.
Adds 'credit' block type back to the horizon credits query.
Makes all credits appear as Credits even if they are a different type.
Updates the user fines views to show positive and negative amounts.
Merge branch 'feature/online-payment-credits' into development