added setting to change server ;) cant style it right now..:(

back button exit warning
fixed filter(Generalized) getting from serverdb
working show users new db struncture
working filter adding users to app db working
some layout changes in login fragment
pulled branch 'zee-copy' of https://github.com/zkhan93/SGI_app into swati-copy

Conflicts:
	AndroidManifest.xml
	res/values/strings.xml
	src/in/siet/secure/sgi/LoginActivity.java
	src/in/siet/secure/sgi/MainActivity.java
notification to comeup in notification drawer done