Create RoutersResource.java

This resource Extends the Network functionality to include router features(Creating, Deleting,Add_Router_Interface etc)
Create Router.java

Provides input information for creating a router.
Create RouterForAddInterface.java

Provides Input information to add router interface.
Create RouterForCreate.java

Java Bean to set the router Information for creating the router.
Create RouterInterface.java

Provides Inputs to attach a router interface
Create Routers.java

To retrieve details of routers.
Create QuantumNetworkCreate.java

Client program to Create a network, subnet,router, adding router interface and listing them.
Update Quantum.java

RouterResource has been updated.
Merge pull request #82 from persistent-rCloud/master

Contributing to Openstack Java SDK (Quantum-Router specific)