Packaging: Dont remove ancestors on deb removal

The used -p option could result in accidentally deleting more directories
than /var/lib/elasticsearch - so this option was removed

Note: This only happens if the directories are empty, but still isnt needed.

Relates #5770
Term Vectors API: adds support for wildcards in selected fields

This could useful to generate all term vectors or a chosen set of them.

Closes #7061
[TEST] Rest API: cat.count regexp matchers now explicitely test for newline