new parameter: 'registry' for NPM module
Moved the external_ip grain into salt-contrib
Merge pull request #11997 from whiteinge/salt-remove-external_ip

Moved the external_ip grain into salt-contrib
Merge pull request #11926 from vortec/npm_registry

npm state module: Add parameter to specify a custom NPM server
Allow for a 2nd system preparation sls file.
Add `versionadded` to registry support in NPM. Refs #11926.
Merge pull request #11998 from s0undt3ch/hotfix/npm-versionadded

Add `versionadded` to registry support in NPM. Refs #11926.
Fix E8251 unexpected spaces around keyword / parameter equals
Fix PEP8 E303: too many blank lines (3)
Merge pull request #11999 from s0undt3ch/hotfix/jenkins

Several Lint Fixes