Request renamed to Call
Merge branch 'master' of
https://github.com/dshnightmare/DistributedFileSystem.git

Conflicts:
	src/common/network/ClientConnector.java
	src/common/network/CommandSender.java
	src/common/network/IF_Connector.java
	src/common/network/ServerConnectionHandler.java
	src/common/util/Constant.java