document ninja support

Change-Id: I4957000c12af90a2d88f03e8eec9b759e5fcc054
fix three minor typos in depends.py

Change-Id: I3d007ec429c49b13d441b93f4703ce8a7f251f9b
Reviewed-on: http://gerrit.aldebaran.lan:8080/9830
Reviewed-by: dmerejkowsky <dmerejkowsky@aldebaran-robotics.com>
Tested-by: ckilner <ckilner@aldebaran-robotics.com>
Fix status, print the name of the file instead of the state.

Change-Id: I61a554d3b9c59156e526f595bbe36ff603991b45
Reviewed-on: http://gerrit.aldebaran.lan:8080/9844
Reviewed-by: dmerejkowsky <dmerejkowsky@aldebaran-robotics.com>
Tested-by: ncornu <ncornu@aldebaran-robotics.com>