Initial scope reduction and refactoring for OSGi usage

Signed-off-by: Kai Kreuzer <kai@openhab.org> (github: @kaikreuzer)
fix premature return from for loop

Signed-off-by: Kai Kreuzer <kai@openhab.org> (github: @kaikreuzer)
added configurable multicast response port

Signed-off-by: Kai Kreuzer <kai@openhab.org> (github: @kaikreuzer)
refactored namespace to org.jupnp

Signed-off-by: Kai Kreuzer <kai@openhab.org> (github: @kaikreuzer)
Signed-off-by: Kai Kreuzer <kai@openhab.org>
integrated stream server with osgi http service

Signed-off-by: Kai Kreuzer <kai@openhab.org> (github: @kaikreuzer)