disabled isForwarding FB 5346
Merge pull request #204 from unwin/2014.08-FB5346

disabled isForwarding FB 5346
FIX for DB 5410 - Google network polling NPE
java.lang.NullPointerException at
org.dasein.cloud.google.network.NetworkSupport.listVlans(NetworkSupport.java:364)
Merge pull request #208 from unwin/2014.08-FB-5410

FIX for DB 5410 - Google network polling NPE