Proto commits in CZ-NIC/knot-resolver

These 6 commits are when the Protocol Buffers files have changed:

Commit:79e798e
Author:Oto Šťáva

RTD placeholder

This commit does not contain any .proto files.

Commit:5e7fc1a
Author:Vladimír Čunát
Committer:Vladimír Čunát

dnstap: represent DoT and DoH (instead of marking them as TCP) This includes latest dnstap.proto, except for keeping our local changes of the licensing comment. https://github.com/dnstap/dnstap.pb/blob/master/dnstap.proto

The documentation is generated from this commit.

Commit:cbc3ee6
Author:Petr Špaček
Committer:Vladimír Čunát

treewide: machine readable license for all the rest These files did not have GNU GPL v3 boilderplate in them so I've added machine readable tag with appropriate license.

Commit:0212bae
Author:Vladimír Čunát
Committer:Vladimír Čunát

dnstap.mk: another shot at Travis failures I'm sorry. I'm not certain about this and don't like to invest much time into it.

Commit:b585177
Author:Vladimír Čunát
Committer:Ondřej Surý

dnstap.proto: move from contrib into module ... and generate files instead of including them.

Commit:92606af
Author:Vicky Shrestha
Committer:Ondřej Surý

Adding dnstap module