Manage Interfaces

- Add dialog to manage interfaces
- Add and delete pipes
- Hide local interfaces

Change-Id: I08323c306c2ea736f99e57c28e2fe3170a0c2216
Reviewed-on: https://code.wireshark.org/review/2613
Tested-by: Anders Broman <a.broman58@gmail.com>
Reviewed-by: Anders Broman <a.broman58@gmail.com>
Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
Reviewed-by: Michael Tüxen <tuexen@wireshark.org>