Updating pom.xml version numbers for release 4.4.2

Signed-off-by: Daan Hoogland <daan@onecht.net>
Merge remote-tracking branch 'origin/4.4-RC20141121T0341' into 4.4
Updating pom.xml version numbers for release 4.4.3-SNAPSHOT

Signed-off-by: Daan Hoogland <daan@onecht.net>