explain static builds in DIY section

We technically don't need the extractor to be a static build,
but we *want* people/packagers to use one of ours.
Make that clear instead of giving vague pointers
(needs static, have these available)
No need to load same styles twice.
Merge pull request #50 from tsukanov/style-loading

No need to load same CSS twice
Merge pull request #48 from JonnyJD/static

explain static builds in DIY section
Adding config files from the production server
Merge branch 'master' of github.com:metabrainz/acousticbrainz-server