auditted lodash usage to ensure that it is compatible with lodash 3.0

scripts/generate/index.js

@@ -163,7 +163,7 @@ function clearGeneratedFiles() {
   generatedFiles.push(dirRegex(paths.src, esArchives));
 
   var rmSteps = _.chain(generatedFiles)
-  .flatten()
+  .flattenDeep()
   .uniq()
   .map(function (path) {
     return spawnStep('rm', ['-rf', path]);

scripts/generate/templates/index.js

@@ -108,7 +108,6 @@ fs.readdirSync(path.resolve(__dirname)).forEach(function (filename) {
   if (name !== 'index') {
     templates[name] = _.template(
       fs.readFileSync(path.resolve(__dirname, filename), 'utf8'),
-      null,
       {
         imports: templateGlobals
       }