proto_tree_add_text cleanup

Create filters (expert and hf_) that have the "most bang for the buck" (ie have many instances for a single filter)

Change-Id: I61995e41c5b298df77e084e65cdf30ebe95da1e6
Reviewed-on: https://code.wireshark.org/review/4086
Reviewed-by: Michael Mann <mmann78@netscape.net>
Petri-Dish: Michael Mann <mmann78@netscape.net>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Anders Broman <a.broman58@gmail.com>