Update changelog

Include updates about new signature verification and auto-updating
master hook.

Change-Id: I3ee4d8000fec63ddbddd335c954134c714fbb91c
Reviewed-on: http://gerrit.causes.com/37389
Tested-by: jenkins <jenkins@causes.com>
Reviewed-by: Shane da Silva <shane@causes.com>
Fix line continuation Rubocop warnings

Change-Id: I9a926856b8d4a0ce6015e393eb14c0792adaceae
Reviewed-on: http://gerrit.causes.com/37390
Tested-by: jenkins <jenkins@causes.com>
Reviewed-by: Shane da Silva <shane@causes.com>