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)
Fixed bug #5902: Variants can't be deactivated

Checkbox logic should be done before checking if something was changed in variants.
(cherry picked from commit bbdffd5)
Fixed bug #5902: Variants can't be deactivated

Checkbox logic should be done before checking if something was changed in variants.
(cherry picked from commit 4577aad)
Improvement to exists method check. (cherry picked from commit f282312) (cherry picked from commit 06fa5cd)
category and article will always setUpdateSeo to true before checking to still have relevant check on multiple save calls. (cherry picked from commit 1e911f1) (cherry picked from commit 3a27a42)
online module notifier version updated as it's no more 1.0 - cluster id was added
Merge branch 'b-dev-ce' of https://github.com/OXID-eSales/oxideshop_ce into composer

Conflicts:
	tests/integration/modules/onlinemodulenotifierTest.php
	tests/integration/onlineinfo/onlinemodulenotifierrequestformationTest.php
	tests/unit/core/oxbasketitemTest.php
Merge branch 'composer' of https://github.com/robinlehrmann/oxideshop_ce into composer