disable XML params parser

Change-Id: I68b9fd05f6f33f4af5377b1fe9df5e7d3f68db08
Reviewed-on: https://gerrit.instructure.com/16632
Reviewed-by: Zach Wily <zach@instructure.com>
Reviewed-by: Brian Palmer <brianp@instructure.com>
QA-Review: Brian Palmer <brianp@instructure.com>
Tested-by: Brian Palmer <brianp@instructure.com>
don't store the page view if it has no user

These page views won't ever be queried anyway, so storing them is
pointless.

Change-Id: I8242c50be32f626d64caa528e7a5fd3a921af461
Reviewed-on: https://gerrit.instructure.com/16572
Reviewed-by: Brian Palmer <brianp@instructure.com>
QA-Review: Brian Palmer <brianp@instructure.com>
Tested-by: Jenkins <jenkins@instructure.com>
treesame commit of origin/stable/2013-01-05

Treesame-Commit-Id: ed654b9f35d205894f2bdac608fb91935a7b8366