5.3.1

Fixed: License type was not showing correctly when editing a license
Fixed: Activation date was not displaying correctly when saving or adding new licenses
UPDATE: when a license is set to lifetime the expiration field will be disabled and ignore.
FIXED: when a license was set to lifetime the expiration was getting populated with a future date.
Improvement: fixed some typos and improved the Spanish language pack
Updated: updated the product type template to work with any theme.