uc_coupon 6.x-1.4

Changes since DRUPAL-6--1-3:

• Port of uc_coupon_purchase to Drupal 6 version. Allow users to purchase coupons via product features.
• Add per-coupon restriction summary page.
• #497300: Coupon start date
• #559972 by cha0s: uc_coupon_update_6001() PostgreSQL warning
• #559516: Make minimum order total usage more obvious.
• #485472 by rszrama: Allow maximum number of applicable products for restricted coupons.
• #605816: Warning when PayPal settings are incompatible with coupons.
• #636478: Allow translation of coupon pane description.
• #681522: Clean up white space on coupon codes.
• #732806 by gabor_h: Correct timezone handling of from/to dates.
• #683924 by studley181: Round discounts on percentage-based coupons to store precision.
• #734690 by SeanA: Configurable code length for purchased coupons.
• #736574: Allow coupon values and minimum order limits greater than 999.99
• #678468: 'view reports' permission does not exist if uc_reports is not installed.
• #653464 by jstrachan: Fix validation check for 'maximum number of applicable products' when using SKU restrictions.
• Use url() to generate AJAX request path.
• #820064: E_NOTICE in token hook implementations.
• #932340 by danillonunes: Some strings cannot be translated.
• #736594: max_uses default value is unlimited.
• #817948: Increase maximum coupon code length.