Merge pull request #195 from bdrung/master

Include AUTHORS, CHANGES, LICENSE, docs, and tests in distribution.
Add testsuite to setup
Add test requirements to setup #195
Add Benjamin Drung to authors #195
Add contributing section to readme
Don't use protocol://host in internal urls if --url_prefix option is not used
Change directory layout of static Javascript files.

Create one directory per project (bootstrap, d3, jquery, jquery-ui) and move
all related file in this directory. This makes it easier to track the origin
of a static file and to update a library by just replacing one directory.