add node manage
remove unnecessary file.
Add node list to display node info.
Change the node name to node description and add deleting node function.
add node management
Merge branch 'localdev'

Conflicts:
	src/main/java/net/dasherz/wifiwolf/controller/NodeController.java
	src/main/webapp/WEB-INF/views/manage/nodeForm.jsp
	src/main/webapp/WEB-INF/views/manage/nodeList.jsp