Merge pull request #437 from hkulekci/opencart

fix pull request for #433, because mysql "order by" default is ASC.
Update upload/admin/language/english/payment/worldpay.php

Changed "WordPay" to "WorldPay".
Merge pull request #441 from Fogelholk/patch-1

Update upload/admin/language/english/payment/worldpay.php
Merge pull request #440 from hkulekci/opencart

read me file
Added Image file size setting
Fixed default image file size
Is an account created when requesting a return?

By default (afaik) an account isn't created when requesting a return.
Also a typo fix?
Merge pull request #445 from Fogelholk/patch-2

Is an account created when requesting a return?
Merge pull request #442 from e-piksel/master

Added Image File Size Setting
fix for

If you insert a coupon and select some categories for it in admin when trying to use it doesnt work and returns error about the left column not existing in the category table.
in catalog/model/checkou/coupon.php
fix for

https://github.com/opencart/opencart/issues/448
fix for:

When turning on SEO Urls on a clean install of 1.5.5.1 I'm getting the following error when trying to go to the homepage.

Fatal error: Call to a member function query() on a non-object in *My Website*/public_html/catalog/controller/common/seo_url.php on line 74

Sorry if this is not a bug, but after looking around I could not find this mentioned anywhere else.

If it helps, I'm running PHP Version 5.3.19 with safe mode off.
Prevent direct access to http://.../system/logs/error.txt
Merge pull request #452 from rb2/patch-1

Prevent direct access to http://.../system/logs/error.txt
Send E-Mail Notification Admin  on Product Review
Merge pull request #460 from e-piksel/master

Send E-Mail Notification Admin on Product Review