Documentation updated to match current database build process.
Unnecessary prerequisites removed, Go language
dependency added. Usage examples updated.
Signed-off-by: George Bartolomey <george@bh4.ru>
From now on, we redistribute our data sources with our repository. Need
to highlight the licenses for all data sources used.
Signed-off-by: Stanislav Bogatyrev <s.bogatyrev@yadro.com>