Fix review modified date

https://github.com/opencart/opencart/commit/15e6bc9f58783fc5de33a90061d32d05b8129431
Fix for mail subject with UTF8

https://github.com/opencart/opencart/commit/ed5be510ed1c6ea5d1709618342d06e7f4555920
Fixed typo in product message jQuery selector

https://github.com/opencart/opencart/commit/0c0c4db8b6517f9f884f4bb87d95d7d2309e3ec7
Fix for sale coupon report filter

https://github.com/opencart/opencart/commit/5607d252751b0af333fc7195e3257239416334b7
Fix for order shipping check

https://github.com/opencart/opencart/commit/9ed769da0d4031353b4d08023015e0e90492561e