fix(ngController): fix indentation bug which causes example to mess up
fix(jqLite): Added optional name arg in removeData

jQuery's API for removeData allows a second 'name' argument to just
remove the property by that name from an element's data. The absence
of this argument was causing some features not to work correctly when
combining multiple directives, such as ng-click, ng-show, and ng-animate.
chore(docs): add reference to the blog

Add a reference to the blog at the documentation.