Modify POM.xml file for new repository

POM.xml was not updated for the changes in the repository structure. This patch
address the changes required for repo migration.

all 49 entries using the local reference ../common/ were updated with the
raw github URL.

bk002-ch013-operator-object-storage-node.xml is commented out while we figure out
how to correct including remote content that references local content.

Change-Id: Iea78458e536330778360f87993cbbb37d4b389d2