Move trusts to extension

Change-Id: I32b32fc5df8d8483ae8e99067f0655c13c6f520b
Add a dereference option for ldap

This allows proper dereferencing of aliased objects in an LDAP tree.

Fixes Bug #1153786

Change-Id: Ia09a99b7bca1ab055eb0c6dfa34138beca15bff0
Rename trust extension (bug 1158980)

Change trust extension from RH-TRUST to OS-TRUST so that the namespace
being used is for OpenStack, as opposed to a contributing company.  This
is also more consistent with namespacing used in other OpenStack APIs.

Some additional discussion about this is in this thread:
http://lists.openstack.org/pipermail/openstack-dev/2013-March/006876.html

Change-Id: I0fd869abe0f527c899808a4dde19dbd1fb6f32cd
Sync with oslo-incubator.

Up to date as of 575e74d352d685773513218a286979bb58920246.

Change-Id: I302bd832fdd4ee6a325b600aceba525b109bb4e1
keystone commands don't print any version information

keystone-manage --version and keystone-all --version do
not show any version information. using the commons
version mechanism to set the version number

Fixes bug 1158783

Change-Id: Iade685a060cad8d9b3f2b80089d52faade43aba8
Fix test coverage for v2 scoped auth xml response (bug 1160504)

Change-Id: Ida82b8e607ba940efdad9e764d26408d3aaae7a8
Share one engine for more than just sqlite in-memory

This fixes both bug 1162857 and bug 1162845.

Change-Id: Ica5155d3ac03779693d2d54d8e02c2a413c3d3ac
Merge "Share one engine for more than just sqlite in-memory"
Merge "Sync with oslo-incubator."