Fix incoherent spacing on status index page

Fix top spacing at the top of the status.o.o index page, by moving
the message container under the title. That allows the status.o.o
pages to have coherent spacing.

Also fix common.js to not create a div container that is never
closed.

Change-Id: Ic260b4140aaed9709dbae35b1d8d9465e64e6b9d
Reviewed-on: https://review.openstack.org/29527
Reviewed-by: matthew wagoner <zxkuqyb@gmail.com>
Reviewed-by: James E. Blair <corvus@inaugust.com>
Approved: Jeremy Stanley <fungi@yuggoth.org>
Reviewed-by: Jeremy Stanley <fungi@yuggoth.org>
Tested-by: Jenkins