Failmail module

Change-Id: I01fd608afef990f26c5ddda52100955249a865ab
Merge "Failmail module"
Failmail on recoverable errors during PayPal audit

Change-Id: I06878cccdaa61cca51f85ab5e5d1b91823714c3a
Merge remote-tracking branch 'origin/master' into HEAD

Change-Id: I7a5d0e1fc35a325cebaee0c1ea2cf60bf9dd9919