BUG-731: Warning suppression is not necessary

This removes unnecessary SuppressWarnings.

Change-Id: I8057763e9c9b71a52b2f615b0ffafb0dee3cbe78
Signed-off-by: Robert Varga <rovarga@cisco.com>
BUG-868: migrate users of CompositeNode.getChildren()

This converts the callers from getChildren() to getValue(), eliminating
around a hundred of warnings in eclipse.

Change-Id: Ieef23a07ac02b719866ec447a7e3365ab11e150a
Signed-off-by: Robert Varga <rovarga@cisco.com>
Merge changes Ieef23a07,I8057763e

* changes:
  BUG-868: migrate users of CompositeNode.getChildren()
  BUG-731: Warning suppression is not necessary