Detect a RUNNING_VERSION file if present on the server, and display the version tag in the web interface
Clean up deprecated bottle template syntax for include(), fixes #9
Simple Template has a handy block syntax, let's be sane and make use of it
Update blobify() of all distillers, take Distiller.self instead of `url`

Distiller plugins will benefit for more context and a proper
"environment" around them, rather than acting purely in isolation with
only the URL that they've been passed.  These changes pass in the
context of the whole Distiller instance.

Specifically, this will allow distillers to receive auth credentials and
access to the indexing queue instead of finding it for themselves.
Merge branch 'master' into customer