Bug 2192 - Part 3 - Make ovsdb library not depend on ovsdb.utils.config

The ovsdb library is designed as Java modular component that can work in
both OSGi and non-OSGi environments. Thus, it should depend on as few
bundles/jar as possible.

Patch 4: Implement feedback from Sam H.

Change-Id: If2aca5ac2f2e883907e28d9ddb7986f0a5c8c1ab
Signed-off-by: Hsin-Yi Shen <syshen66@gmail.com>
Signed-off-by: Flavio Fernandes <ffernand@redhat.com>