Fix: Multiple minion issue

Instead of relying on visibility GONE in xml added, now setting
visibility for each pos in listview for minion. To avoid repeating this
in future.
Fix: NotificationActivity not opening on click

Set requestCode to unique in place of 0.

refer:

http://stackoverflow.com/questions/20881226/pending-intent-in-notification-not-working
and

http://stackoverflow.com/questions/9268153/what-is-the-meaning-of-requestcode-in-startactivityforresult
Version 5.2 Beta3

uploading to playstore.