getFlow method implementation.
QoSRequirements getter with parameter name.
getQoSParameter method implemented.
setParameter method in QoSRequirements using parameter name and value.
updateQoSParameter method implemented and code style applied.
QoSRequirements default constructor setting values to -1.
deleteQoSParameter method implemented.
Merge pull request #757 from logoff/ofertie/qosnclprovisioner

QoS NCL provisioner implemented