Added 'aliases' to more entities in VALID_INCLUDES

recording, release-group and release lookups now support aliases
as valid includes

Signed-off-by: Sam Doshi <sam@metal-fish.co.uk>
Merge pull request #86 from samdoshi/aliases

Added 'aliases' to more entities in VALID_INCLUDES
Add support for annotation searches

Signed-off-by: Wieland Hoffmann <themineo@gmail.com>
Fix the sphinx-build detection

The former way was only working with a sphinx-build binary, it was first
calling sphinx-build2 without any argument and then sphinx-build with
them.

Signed-off-by: Wieland Hoffmann <themineo@gmail.com>
doc: force default style for MB colors

Signed-off-by: Johannes Dewender <github@JonnyJD.net>