#62 provide skywalking-application-toolkit and skywalking-toolkit-activation submodule, and log4j 1.x plugin to output TraceId

1.remove webui useless demo.  2. solve webui compile issue. 3. remove old test case, waiting test scenario by docker tech. @ascrutae

add elasticsearch 5.0.1 custom edition to skywalking-storage lib. use it as data index sevice (independence process).

Fix some resources leak. Format log. Set jdk level of common lib to 1.6 . Fix some incorrect pom.xml .

2.server端程序保持不变