Wikimedia Labs/Log bot for wikimedia-labs channel

THIS IS COMPLETED.

In #wikimedia-tech and #wikimedia-operations, ops can log to the server admin log using !log. It would be ideal to also have this in labs. However, we don't want to just log to a single page.

It would be ideal for project members to be able to log to their own projects. Here's a possible use case:

!log testlabs <message>

The above would log to [1], which would be included via a template at [2].