Fix warnings in neconf-util

Remove use of raw types, unnecessary casts and use of deprecated junit
classes.

Change-Id: If7fb8b107a5b3086dc5f37d495def7db17363ced
Signed-off-by: Robert Varga <rovarga@cisco.com>
Fix warnings in config-util

Fix use of deprecated junit classes and unused imports.

Change-Id: I5262ac6e870edbd83d86cd56ecfc08c17eee1490
Signed-off-by: Robert Varga <rovarga@cisco.com>
Merge "Fix warnings in neconf-util"
Merge "Fix warnings in config-util"