ni_nitdoc: Linked the amodule to its module

Signed-off-by: Stefan Lage <lagestfan@gmail.com>
ni_nitdoc: Inform whoses modules are concerned in a class

Signed-off-by: Stefan Lage <lagestfan@gmail.com>
ni_nitdoc: namespace in mclassdef

Signed-off-by: Stefan Lage <lagestfan@gmail.com>