Generating unique CouchDB IDs

For cmdr-server, unique IDs are required for CouchDB documents.

This is the code to generate UUIDs for all of the CouchDB documents.

To run it, just switch the two instances of cmdr-dev1 with the desired controller. It will create a new database in couch with UUIDs. Just delete the old rooms database (after backing it up) and create a new rooms database with the new documents.

This removes duplicate ids from cmdr-server so that it doesn't break.