drawer open close by app icon + fragment backstack remove
cleanup, layout advancements, drawable resources added,and more..
Notification will have seperate fragment to show full notifications with
attachments
filtering need some time
before android studio
download,cardview alternate listview empty layout set etc
pulled branch 'zee-copy' of https://github.com/zkhan93/SGI_app into swati-copy

Conflicts:
	src/in/siet/secure/sgi/LoginActivity.java
	src/in/siet/secure/sgi/MainActivity.java