Merge branch 'hotfix/1.4.5'
Starting hotfix branch 1.4.6
Filters did not search variants correctly
Removed deprecated TCPDF method AliasNbPages() (#688)
Do not show HTML version of a mail template if it's in textOnly mode (#684)
Update PaymentPaypal.php

Fix encoding problems (maybe only inside sandbox)
Updated changelog for (#682)
Better backend notification when updating order status (#690)
Finishing 1.4.6 hotfix branch
Merge branch 'hotfix/1.4.6' into develop