optimised attendance listadapter
added .iml files to .gitignore
modified README
Merge remote-tracking branch 'upstream/master'

Conflicts:
	androidsupportv4preferencefragment/androidsupportv4preferencefragment.iml
	attendance/attendance.iml
	attendance/src/main/java/com/shalzz/attendance/fragment/AttendanceListFragment.java
	licensesdialog/licensesdialog.iml