Fix warnings in netconfig-netty-util

Removes the use of deprecated junit classes and raw types.

Change-Id: Ibde538ae563a82a89b865d1ef9303a6e24a026f5
Signed-off-by: Robert Varga <rovarga@cisco.com>
Remove duplicate groupId

Specified groupId is the same as parent's -- so we do not need to
re-declare it.

Change-Id: I7610f6f4bbc4b303b0f3b6971822f8e715bf1a2e
Signed-off-by: Robert Varga <rovarga@cisco.com>
Merge "Fix warnings in netconfig-netty-util"
Merge "Remove duplicate groupId"