- Prepared Statement instead of statement API in Login.java
- TODO:
	- replace all those queries which are using statement API
		by preparedStatement API [leave those which don't require
		user input] to decrease the possiblity of SQL Injection
	- Other changes stated in
		https://github.com/anilkagak2/EventsMap/blob/master/newchanges-8April.txt
	- Make it final :)