[c-c list] add an optional argument to the list command (closes #2709703)
This optional argument allows to restrict listing to only
a given type of items (cubes, instances, configurations).
Document: cubicweb-doc
Title: CubicWeb documentation
Author: Logilab
Abstract: Some base documentation for CubicWeb users and developpers
Section: Apps/Programming
Format: HTML
Index: /usr/share/doc/cubicweb-documentation/index.html
Files: /usr/share/doc/cubicweb-documentation/*.html