Michał Kępień authored Mar 17, 2018 and Evan Hunt committed Apr 25, 2018

4916.	[bug]		Not creating signing keys for an inline signed zone
			prevented changes applied to the raw zone from being
			reflected in the secure zone until signing keys were
			made available. [GL #159]

4915.	[bug]		Bumped signed serial of an inline signed zone was
			logged even when an error occurred while updating
			signatures. [GL #159]

(cherry picked from commit 7d2c09c9)
(cherry picked from commit e4995efe)
(cherry picked from commit 821c27bb)