plugins: Various checkPlugins.js and associated file fixes. (#4439)

This PR makes checkPlugins some what more useful for developers.  

It adds auto npm publish support and various travis improvements among other goodies.

bin/plugins/lib/npmpublish.yml

@@ -0,0 +1,39 @@
+# This workflow will run tests using node and then publish a package to the npm registry when a release is created
+# For more information see: https://help.github.com/actions/language-and-framework-guides/publishing-nodejs-packages
+
+name: Node.js Package
+
+on:
+  push:
+    branches:
+      - main
+      - master
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 12
+      - run: npm ci
+      - run: npm test
+
+  publish-npm:
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 12
+          registry-url: https://registry.npmjs.org/
+      - run: git config user.name 'github-actions[bot]'
+      - run: git config user.email '41898282+github-actions[bot]@users.noreply.github.com'
+      - run: npm ci
+      - run: npm version patch
+      - run: npm publish
+        env:
+          NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}
+      - run: git push --follow-tags