Report fixes
Image merge fix

https://github.com/opencart/opencart/commit/992829b908c0079193af3b084f97f65b30d0bde8
Default length and weight display fixes

https://github.com/opencart/opencart/commit/f8547294eb2a42de77600e999fad4958ac4eab8c
Remove filter_affiliate_group_id as not required

https://github.com/opencart/opencart/commit/79adf33331792268621f93414580aa2db3d98414
Affiliate and customer report filter date fixes
FedEx shipping API fix

https://github.com/opencart/opencart/commit/d6e45a2bebce116e6ed08f7d24bff2a4857a942e