Update node_package dependency to fix init script stop

Fixes basho/stanchion#47
Update release notes for 1.3.1

Fixes #51

Updates describing bugfixes for v1.3.1.
Roll stanchion version 1.3.1
Merge branch 'bugfix/1.3.1-release-notes' into release/1.3
Merge branch 'release/1.3'