Move INTERLINKS to common conf

Signed-off-by: Jiří Janoušek <janousek.jiri@gmail.com>
Add Github to interlinks

Signed-off-by: Jiří Janoušek <janousek.jiri@gmail.com>
Add project management information

Signed-off-by: Jiří Janoušek <janousek.jiri@gmail.com>
Add documentation to Nuvola.format

Signed-off-by: Jiří Janoušek <janousek.jiri@gmail.com>