Proto commits in thibauts/node-castv2

These 3 commits are when the Protocol Buffers files have changed:

Commit:ee0b5f6
Author:Mathias Tillman

Added support for dumping the CA certificate(s) that's used for verifying the client auth certificate.

The documentation is generated from this commit.

Commit:87e0759
Author:thibauts

moved files to lib/

Commit:5b39ed5
Author:thibauts

first commit