#2 User login

[Neelesh Shastry]

I should be able to login to the system. after logging in, I should see a welcome page.
Implementation:
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Create a class User with userName, password,email id.
Create a service class called UserService. UserService will have a method "public User login(String userName, String password)".
Create an action called LoginAction,
Create two JSPs - login.jsp, home.jsp
Write the application to connect all these things.