Updated README file to include information about namespaces and URI Mappers.
Updated README file to include information about namespaces and URI Mappers.

Signed-off-by: David Leangen <8e9da04a136d93505093f54fda51bdb1aaa4fc70@bioscene.co.jp>

osgi/osgi.enroute,osgi/osgi.enroute