add sample yarn webapp ws servvice and tracking url
move ipc to its own package
move ipc to its own package
Merge branch 'master' of github.com:DemandCube/NeverwinterDP-Commons into developer/tuan08
Develop rest/webapp framework for netty and yarn application
Move webapp framework to http package. Add netty implementation
refractor yarn framework, implement history server and tracking url for the yarn application
Merge pull request #10 from DemandCube/developer/tuan08

Merge yarn webapp tracking service and history service