Updated git submodules

Project: odlparent master 48c3fc390f2e96509efd58ded73e92489f4aae7d

Add pax-url-link & pax-exam-link-assembly

into dependencyManagement of odlparent's POM.

I'm experimenting with using http://veithen.github.io/alta/ to use Pax
URL's link: protocol and (eventually) completely do away with the mvn:
URLs from pax-url-aether (which is a stupid approach, not by us/ODL but
originally by Pax Exam).

Merging this isn't urgent yet, as I can just put the version into the
POM of where I'm experimenting with this, but ultimately it would be
good to have this in odlparent; just thought I'd raise it early.

Change-Id: Ic372ad5db0db9c26bbfce2f14592408365a1d5d7
Signed-off-by: Michael Vorburger <vorburger@redhat.com>

diff --git a/docs/submodules/odlparent b/docs/submodules/odlparent
index 986b6db7b8c3db6cc6ce31a462b8b8916c004cf0..48c3fc390f2e96509efd58ded73e92489f4aae7d 160000 (submodule)
--- a/docs/submodules/odlparent
+++ b/docs/submodules/odlparent
@@ -1 +1 @@
-Subproject commit 986b6db7b8c3db6cc6ce31a462b8b8916c004cf0
+Subproject commit 48c3fc390f2e96509efd58ded73e92489f4aae7d