Updated openstack/openstack
Project: openstack/horizon  a8a8f792127a455a202ad657e3f6b85286bc0551

Remove unused load of sizeformat

In the template, we needn't to load sizeformat.

Change-Id: I0e4dde9bcbea0ddfbb0c5d7ff6171af4c528e9eb
Updated openstack/openstack
Project: openstack/taskflow  05fe38aa1df59ea7d8c448bd37a60c3241a3f8ad

Add a tree type

A tree module will be very useful for tracking tree
structures in taskflow. So to encourage development and
usage of such structures add a type module and helper
classes that can be used perform tree operations on
tree structures.

Change-Id: I63c0653d051aeb4d1ea8a55f0e25fc25ff9e37f1