Initial karaf indexing feature for integration and karaf distro.

REQUIRES: https://git.opendaylight.org/gerrit/#/c/10080 (controller)
REQUIRES: https://git.opendaylight.org/gerrit/#/c/10105/ (openflowjava)
REQUIRES: https://git.opendaylight.org/gerrit/#/c/10114/ (openflowplugin)

Change-Id: I3600b1e150196463153677aef5b36b13c4f03c64
Signed-off-by: Ed Warnicke <eaw@cisco.com>