Add prestashop backwards compat library
Fix the most obvious backwards compat issues
Add some todos where code execution fails
Fix isController check
Only check cart rules for presta 1.5 onwards
Fix order tagging
Fix product tagging image url
Add logo for back office
Merge branch 'develop' into feature/prestashop-1.4-support
Fix translation text sprint issue (ugly)
Merge branch 'develop' into feature/prestashop-1.4-support

Conflicts:
	nostotagging/nostotagging.php
Add todo
Merge branch 'develop' into feature/prestashop-1.4-support
Merge branch 'feature/prestashop-1.4-support' of github.com:Nosto/nosto-prestashop-module into feature/prestashop-1.4-support
Fix brand tagging view url
Add hooks called when updating products
Merge branch 'feature/prestashop-1.4-support' into develop
Update the 1.3 upgrade script