Fix #160
Fix #160

If sender is the same as the current miniLocker no red
warning are showed. This should be nice for first time users,
as reported by them.

arno01/miniLock,kaepora/miniLock,Sc00bz/miniLock,kaepora/miniLock,Sc00bz/miniLock,arno01/miniLock,reelsense/miniLock,reelsense/miniLock