miniswift: add docs to SwiftClient/ZwiftClient
doc/conf.py: remove missing static files warning

Docs were configured to reference a static files directory, which
doesn't exist. Since we don't yet have any static files, I just
commented out this part of the configuration.
Merge pull request #53 from larsbutler/miniswift-doc

miniswift: add docs to SwiftClient/ZwiftClient
Merge pull request #54 from larsbutler/fix-doc-static-files-warning

doc/conf.py: remove missing static files warning