Continued Refactor in Support of JDBC Implementation

-Significant refactor of Domain class Node and the way it is constructed
-Updated/refactored all Service level classes that construct Nodes
-Updated all JUnit tests to validate changes have not impacted
application function

-Removed the following unused/deprecated classes: NetworkInterface,
NodeConfigurations, NodeType, AddRemoveClusterServiceImpl,
IAddRemoveClusterTierService, AddRemoveNodeServiceImpl,
IAddRemoveNodeService, NodeConfigurationServiceImpl,
NetworkInterfaceTest, NodeConfigurationsTest, NodeTypeTest,
AddRemoveClusterTierServiceImplTest, and AddRemoveNodeServiceImplTest
Continued JDBC Implementation

-Refactored CreateDeleteClusterService to use JDBC and underlying
database to build nodes and create a cluster