Add minor enhancements to changelog
Add minor enhancements to changelog

Adding the info for #1789, #1782, #1707, #1663

privacyidea/privacyidea,privacyidea/privacyidea,privacyidea/privacyidea,privacyidea/privacyidea,privacyidea/privacyidea,privacyidea/privacyidea