Proto commits in mattvperry/mumble-ruby

These 2 commits are when the Protocol Buffers files have changed:

Commit:6423ce2
Author:Pim Messelink

Update mumble.proto from https://github.com/mumble-voip/mumble/blob/master/src/Mumble.proto

The documentation is generated from this commit.

Commit:7431fd1
Author:Matthew Perry
Committer:Matthew Perry

The client can connect