Fixed JBoss 7.0+ invoker

* .gitignore
  -- Fixed pyc
* src/module/invoke_payload.py
  -- JBoss 7.0+ deploys over port 9990 by default, but the
  application is actually served by default on port 8080
* src/platform/jboss/undeployer.py
  -- Fixed parsing off the extension
Updated README with latest features