Add vulcanize to tools.

tools/vulcanize/node_modules/vulcanize/bin/vulcanize

Index: tools/vulcanize/node_modules/vulcanize/bin/vulcanize
diff --git a/tools/vulcanize/node_modules/vulcanize/bin/vulcanize b/tools/vulcanize/node_modules/vulcanize/bin/vulcanize
new file mode 100755
index 0000000000000000000000000000000000000000..827079a626a904a50c6cae7101ef61d7573e56bf
--- /dev/null
+++ b/tools/vulcanize/node_modules/vulcanize/bin/vulcanize
@@ -0,0 +1,92 @@
+#!/usr/bin/env node
+var path = require('path');
+var fs = require('fs');
+var nopt = require('nopt');
+var vulcan = require('../lib/vulcan.js');
+
+var help = [
+  'vulcanize: Concatenate a set of Web Components into one file',
+  '',
+  'Options:',
+  '  --output, -o: Output file name (defaults to vulcanized.html)',
+  '  --verbose, -v: More verbose logging',
+  '  --help, -h, -?: Print this message',
+  '  --config: Read the given config file',
+  '  --strip, -s: Remove comments and empty text nodes',
+  '  --csp: Extract inline scripts to a separate file (uses <output file name>.js)',
+  '  --inline: The opposite of CSP mode, inline all assets (script and css) into the document',
+  '',
+  'Config:',
+  '  JSON file for additional options',
+  '',
+  '  {',
+  '    "excludes": {',
+  '      "imports": [ "regex-to-exclude" ],',
+  // '      "styles": [ "regex-to-exclude" ],',
+  // '      "scripts": [ "regex-to-exclude" ],',
+  '    }',
+  '  }'
+];
+
+function printHelp() {
+  console.log(help.join('\n'));
+  process.exit(0);
+}
+
+var options = nopt(
+  {
+    'config': path,
+    'csp': Boolean,
+    'help': Boolean,
+    'inline': Boolean,
+    'output': path,
+    'strip': Boolean,
+    'verbose': Boolean
+  },
+  {
+    '?': ['--help'],
+    'h': ['--help'],
+    'o': ['--output'],
+    's': ['--strip'],
+    'v': ['--verbose']
+  }
+);
+
+if (options.help) {
+  printHelp();
+}
+
+if (options.config) {
+  var configBlob;
+  var config;
+  try {
+    configBlob = fs.readFileSync(options.config, 'utf8');
+  } catch(e) {
+    console.log('Config file not found!');
+    process.exit(1);
+  }
+  try {
+    config = JSON.parse(configBlob);
+  } catch(e) {
+    console.error('Malformed config JSON!');
+    process.exit(1);
+  }
+  if (config.excludes) {
+    options.excludes = {
+      imports: config.excludes.imports
+      // styles: config.excludes.styles,
+      // scripts: config.excludes.scripts
+    };
+  }
+}
+
+var argv = options.argv.remain;
+if (argv[0]) {
+  options.input = path.resolve(argv[0]);
+}
+
+if (vulcan.setOptions(options)) {
+  vulcan.processDocument();
+} else {
+  process.exit(1);
+}