Update oxutilsurl.php

re-migration of correct shop host check from 4.8/5.1
Update login.php

automatically redirect to SSL login
not needed spaces timed in smarty tag
Tweak README.md due to major version shift (cherry picked from commit 11d5069)
Fix for discount bug 5913

Fix Itm discount bug https://bugs.oxid-esales.com/view.php?id=5913
(cherry picked from commit dac3538)
Added basket integration test case for bug #5913 (cherry picked from commit a3bba76)
Fixed bug #5902: Variants can't be deactivated

Checkbox logic should be done before checking if something was changed in variants.
Fixed bug #5902: Variants can't be deactivated

Checkbox logic should be done before checking if something was changed in variants.
Fixed bug: 5910: When out of stock articles exists in basket and language is changed, shop for that session goes offline (cherry picked from commit 0eb0702)
online module notifier version updated as it's no more 1.0 - cluster id was added (cherry picked from commit 7c3307d)
Merge pull request #176 from Wendnet/b-5.2-ce

Hotfix for bug #5905
Fixed bug #5905: Missing checks for SSL, mallshop and language-hosts

Improved the solution, that it works correctly with languages and added tests
Fixed bug #5905: Missing checks for SSL, mallshop and language-hosts

Refactoring mall functionality
(cherry picked from commit 8c8ff56)
fixing current url matching