工单管理CRUD
Merge branch 'HEAD' of https://github.com/langlearn/jehr.git

Conflicts:
	src/main/resources/com/bdt/action/LoginAction.java
	src/main/resources/com/bdt/action/WorkorderAction.java
	src/main/resources/com/bdt/common/guice/MyServletContextListener.java
	src/main/resources/com/bdt/mapper/ViewWorkOrderMapper.java
	src/main/resources/com/bdt/service/WorkOrderService.java
	src/main/resources/com/bdt/service/impl/WorkOrderServiceImpl.java
	src/main/webapp/WEB-INF/jsp/workorder.jsp