Added specific webapi handler classes for root, user, access token, ...
Added new queries to user profile api.
Reviewed filter setup depending on the mode (site, admin, webapi).
Added user profile system to the core module.
Moved /user/{uid} from auth module to core module.
Added possibility to add html before and after a cms form. (useful to add a form before or after, as nested form are forbidden).
Now theme can be installed using roc install command.