Refactor code for coordinator admin
Merge branch 'master' of https://github.com/singhsiddharth/voldemort into coordinator_admin
More refactoring - rename classes etc
Merge branch 'coadmin' of https://github.com/voldemort/voldemort into coordinator_admin
Fix typos, copy paste error
Merge branch 'coadmin' of https://github.com/voldemort/voldemort into coordinator_admin
Fixed the test code in CoordinatorAdminRequestHandler so that it responds to requests.
Still just test code, not very advanced yet.
Merge branch 'coadmin' of https://github.com/voldemort/voldemort into coordinator_admin

Conflicts:
	src/java/voldemort/rest/coordinator/CoordinatorProxyService.java
	src/java/voldemort/rest/coordinator/admin/CoordinatorAdminRequestHandler.java