Deploy a directory tree to an ML server without using MLCP

[BillFarber]

My customer needs to deploy code to a modules database via an appserver that is SSL-enabled. Since MLCP does not work with SSL, we can use the REST /documents endpoints to deploy the files.

Since I've already created the putFile method on the Connection class, we really just need a convience class (like mlcploader.py) to walk a directory tree and send the files.

[ndw]

This might be addressed by the mldbmirror script that I put in examples a couple of weeks ago.

After I make sure it works with SSL...