ni_nitdoc: Adding module comment in module page

Signed-off-by: Stefan Lage <lagestfan@gmail.com>
ni_nitdoc: Get all classes of a module

Addign a function to regroup all classes of a module and it associate
their state like introduced or refined

Signed-off-by: Stefan Lage <lagestfan@gmail.com>
ni_nitdoc: Adding classes column in modules page

Generate classes column for each modules page

Signed-off-by: Stefan Lage <lagestfan@gmail.com>
ni_nitdoc: Adding menu in modules page

Signed-off-by: Stefan Lage <lagestfan@gmail.com>
model_utils: All modules contain in a class

Added a function to get all modules concerned in a class

Signed-off-by: Stefan Lage <lagestfan@gmail.com>
model_utils: All modules concerned in a class

Creating a function to all modules an submodules concerned in a class

Signed-off-by: Stefan Lage <lagestfan@gmail.com>
ni_nitdoc: Get all methods contained in a class

Signed-off-by: Stefan Lage <lagestfan@gmail.com>
ni_nitdoc: Properties list in modules page

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