create httpp branch with initial eventEmitter,Stream interface
fixed stream define
add eventEmitter2 impl
added eventEmitter,stream implementation
fixed stream2 impl
Writable2 coding
Readable2 coding
add stream,eventemitter test case
added duplex stream, test cases
fixed test cases
fixed readable.read logic
added dumplex stream test case
added node timers tcp impl
node.tcp.socket codes
fixex tcp.socket.connect methods
coding tcp.server
added node.tcp test case
added node.udt test case
disable node.tcp node.udt readable string encoding
fixed Readable2.setEncoding