Convert bierman02 from web.xml to programmtic web API

Convert bierman02 from web.xml to programmtic web API

To handle auth vs noauth, 2 new bundles were added that
import a new Bierman02WebRegistrar service advertised by
the restconf-nb-bierman02 bundle and simply invoke the
appropriate register*Authentication method.

The odl-restconf no longer installs odl-restconf-noauth nor
the aaa-shiro-act bundle. Both bundles install a new
odl-restconf-base feature and their respective
restconf-nb-bierman02-auth/restconf-nb-bierman02-noauth
bundle.

Change-Id: I93f58e791d8b9666083bd379c99a548bff6e8971
Signed-off-by: Tom Pantelis <tompantelis@gmail.com>