v7.8-beta.15

v7.8-beta.15

• Issue #4768 : Fix import file path issue.

• Issue #4767 : Improve null equality treatment in expressions.

• Issue #4781 : Fix NPE.

• Issue #4784 : Fix DynamicIndexingFilter values.

• Issue #4796 : Fix the accidental deletion of rule dup stores by scheduled reports.

• Issue #4758 : Change the way the duplicate check store works so that it can cope with values larger than 511 bytes.

• Issue #4788 : Deep copy selection handlers when duplicating dashboard tables.

• Issue #4791 : Fix numeric comparator in having clause.

• Issue #4795 : Add missing properties to HTTPAppender.

• Issue #4808 : Fix issue of proxy forwarding gzipped data inside a proxy zip when client uses header Compression: gzip, i.e. lower case value.