* updated version to 5.0.1.0 in package.json
* updated version to 5.0.1.0 in VERSION
* updated version to 5.0.1.0 in config.yml
* removed Active Record section
* cleanup bundle related folders and added to .gitignore
* bumped tag url in ISSUETEMPLATE
* updating version to 0.5.1.0
* readding .bundle/config as we do not want users to automatically install dev/test gems
* fixed spelling mistake of .bundle