make it possible to compile the servers without compiling libmdsserver if you already have libmdsserver installed

Signed-off-by: Mattias Andrée <maandree@operamail.com>
m todo

Signed-off-by: Mattias Andrée <maandree@operamail.com>
m todo

Signed-off-by: Mattias Andrée <maandree@operamail.com>