Merge pull request #1104 from FranciscoBorges/2.3.x

HORNETQ-1219 Fix inconsistent 'null' property behavior.
https://issues.jboss.org/browse/HORNETQ-1163 - fixing api compatility issue after HORNETQ-1163 - no semantic changes here, just making sure one-off would still work"
Merge pull request #1108 from clebertsuconic/2.3.x

fixing an API that I broke after https://issues.jboss.org/browse/HORNETQ-1163
HORNETQ-1220 Fix manual quote on Java's tcpNoDelay.