Register Compute Manager vCenter With NSX-T

Register compute manager(vCenter) with NSX-T Manager.

Note : To use this class add below jars in the build path libraries/dependencies.
  - spring-web-4.0.6.RELEASE.jar 
  - spring-core-4.0.6.RELEASE.jar 
  - commons-logging-1.2.jar
  - jackson-core-asl-1.9.2.jar
  - jackson-mapper-asl-1.9.2.jar
  - jsch-0.1.54.jar