Add struts2demo code: wildcard character match action.
Add struts2demo: annotation configuration.
Add struts2demo: validation code.
Add struts2demo: wildchar character match action.(*/*_*)
Add struts2demo: annotation action.
Add struts2demo: customize error message of datatype converter.
Add struts2demo: validation framework code.
Add struts2demo: merge 2013-03-05