[ovirt-devel] use mvn instead of make to deploy

just merged http://gerrit.ovirt.org/#/c/25661/ to help us use mvn to copy the project artifact instead of make. usage: #build and deploy to $OVIRT_ENGINE_PREIFX mvn clean install -Pmake #just deploy mvn install -pl org.ovirt.engine:make -Pmake #alternative prefix mvn clean install -Pmake -Dprefix=/path/to/prefix