NEWS: update for 0.4.2
NEWS: update for 0.4.2

Signed-off-by: Pierre-Alexandre Meyer <ff019a5748a52b5641624af88a54a2f0e46a9fb5@mouraf.org>

trifonnt/killbill-meter-plugin,killbill/killbill-meter-plugin,killbill/killbill-meter-plugin,trifonnt/killbill-meter-plugin