leaderClient and basics
Merge branch 'master' of https://github.com/darshankapashi/zeon

Conflicts:
	src/server/Node.cpp
initialize Node in CoreServer
Merge branch 'master' of https://github.com/darshankapashi/zeon

Conflicts:
	src/if/server.thrift
	src/server/Node.cpp
	src/server/Node.h