Add publish script.

Author: rmarren1

scripts/publish.js

@@ -0,0 +1,28 @@
+#! /usr/bin/env node
+const execSh = require('exec-sh');
+let version = require('../package.json').version;
+let name = require('../package.json').name.replace(/-/g, '_');
+ if(version.includes("rc")) {
+    version = version.replace('-', '');
+    console.log("Adjusted version to", version, "for PyPi");
+}
+ console.log(`Publishing version ${version} of ${name} to NPM & PyPi\n`);
+ console.log('>', 'python setup.py sdist');
+ execSh('git diff-index --quiet HEAD --', err => {
+    if(err) {
+        throw new Error('\nIt looks like there are uncommitted changes! Aborting until these changes have been resolved.\n');
+    } else {
+        execSh([
+                'npm publish',
+                `python setup.py sdist`,
+                `twine upload dist/${name}-${version}.tar.gz`,
+                `git tag -a 'v${version}' -m 'v${version}'`,
+                `git push origin v${version}`
+            ]
+            , err => {
+                if(err) {
+                    throw new Error(err);
+                }
+        });
+    }
+})