clone sources into repo

avoiding remote raw.github.com includes for now by cloning included reposities into training

bug 1211135

Change-Id: Ib702cbc2c1d554f1578e8fbe1d3d67749bc3e1be

doc/src/docbkx/openstack-training/bk001-ch003-associate-general.xml

@@ -11,7 +11,7 @@
       <para>You will have a working version of OpenStack after this step is completed.</para>
     <para><link xlink:href="https://blueprints.launchpad.net/openstack-manuals/+filebug" xlink:show="new">Submit a bug. Enter the summary as "Training, " with a few words. Be descriptive as possible in the description field. Open the tag pull-down and enter training-manuals.</link></para>
     <!-- this maps to user story "As a trainee I need to be able to understand how to install Ubuntu 12.04 (or 13.04 in later versions)" -->
-    <xi:include href="https://raw.github.com/openstack/openstack-manuals/master/doc/src/docbkx/openstack-install/ch_installing-openstack-overview.xml" xpointer="xmlns(db=http://docbook.org/ns/docbook) xpath(//*[@xml:id = 'scripted-dev-installation'])">
+    <xi:include href="../openstack-install/ch_installing-openstack-overview.xml" xpointer="xmlns(db=http://docbook.org/ns/docbook) xpath(//*[@xml:id = 'scripted-dev-installation'])">
       <xi:fallback>
         <para>          
           <mediaobject>