Merge pull request #443 from alpadev/hotfix/commonclass-cli-argv

fixes: typo in cli argument

Author: hannu

lib/cli.js

@@ -32,7 +32,7 @@ exports.main = function() {
         title: argv.title,
         rootPath: argv.output,
         extraHead: argv.extraHead,
-        commmonClass: argv.commmonClass,
+        commonClass: argv.commonClass,
         appRoot: argv.appRoot,
         styleVariables: argv.styleVariables,
         server: argv.server,