Update README.md
Update README.md
Update README.md
test servlet
fix directory

and fix login -> signin in index.js
copy .jsp to .html
fix signup.js signup.jsp
fix signin.js and messages.jsp

in msg.jsp check if "user"==null
fix
add MessageServlet and test it
test add team member
add data-ids
add org.json and add get team members
add some team methods
update create team
test run in tomcat
temp
fix index.html
fix signin.html
fix signup html