CLOUDSTACK-2771: Unable to create guest VM in basic zone: Zone is dedicated

Changes:
- Check the domain of the dedicated zone
RPM build - run mvn clean before building packages, to get a build from fresh
source

Signed-off-by: Marcus Sorensen <marcus@betterservers.com> 1369936033 -0600
ApiServer: replaced hardcoded value of the integration.api.port paramter with the reference to the actual paramter name
ApiServer: fixed non primitive Long "snapshotLimit" comparsion
CLOUDSTACK-681: deployment planner - create compute offering dialog - deployment planner dropdown - add blank option and make it as default option. Not pass anything to API call when blank option is selected.