Merge branch 'hotfix/1.4.4'
Starting 1.4.5 hotfix branch
Fixed HTML error in order details template
Fixed issue with invalid IPN to PayPal
Updated Isotope logo for the backend view (#673)
Product should return variant value if available (fixes #674)
Updated changelog
Fixed user access permissions for mail templates
Product insert tags now work for options in the cart etc. (#676)
Do not cache query when transferring collection (#671)
Check if parent method returned IDs before querying database (#671)
Fixed variable name collision
Finishing 1.4.5 hotfix branch
Merge branch 'hotfix/1.4.5' into develop