Fix documentation Rubocop lints

Change-Id: Id905ef2181bf66fa81c0d0186cf254e53ef2a28e
Reviewed-on: http://gerrit.causes.com/40434
Tested-by: jenkins <jenkins@causes.com>
Reviewed-by: Shane da Silva <shane.dasilva@brigade.com>
Fix remaining Rubocop lints

Change-Id: Id0d7b242fc02b2b271fb27948bad6c2773190900
Reviewed-on: http://gerrit.causes.com/40435
Tested-by: jenkins <jenkins@causes.com>
Reviewed-by: Shane da Silva <shane.dasilva@brigade.com>
Update changelog

Change-Id: I7c692347462f82666e0fa1a08261bf2850a13684
Reviewed-on: http://gerrit.causes.com/40436
Tested-by: jenkins <jenkins@causes.com>
Reviewed-by: Shane da Silva <shane.dasilva@brigade.com>