go through Spring MVC
Merge branch 'master' of https://github.com/dingyi216/wsc

Conflicts:
	wsc/src/cn/javass/chapter2/web/controller/HelloWorldController.java
	wsc/src/com/qad/mfs/EnvironmentList.java

	deleted:    ../build/classes/com/qad/mfs/Workspace.class
	modified:   ../build/classes/com/qad/mfs/controller/WscController.class
	renamed:    ../build/classes/com/qad/mfs/Environment.class -> ../build/classes/com/qad/mfs/model/Environment.class
	new file:   ../build/classes/com/qad/mfs/model/Workspace.class
	renamed:    ../build/classes/com/qad/mfs/EnvironmentList.class -> ../build/classes/com/qad/mfs/service/EnvironmentManager.class
	new file:   ../build/classes/com/qad/mfs/service/XmlParser.class
	modified:   com/qad/mfs/controller/WscController.java
	renamed:    com/qad/mfs/Environment.java -> com/qad/mfs/model/Environment.java
	renamed:    com/qad/mfs/Workspace.java -> com/qad/mfs/model/Workspace.java
	renamed:    com/qad/mfs/EnvironmentList.java -> com/qad/mfs/service/EnvironmentManager.java
	new file:   com/qad/mfs/service/XmlParser.java