add eventHandler to the App
add busy_box to handle the 'in progress' events.
rebasing.
renaming events
doc update
doc update
renaming events
[#148] Remove references to the test JSON data
[#147] Initial set of files to ignore in the dist build
Merge pull request #149 from mattdenner/prepare_yeoman_build

Prepare yeoman build
Merge pull request #146 from benoitmangili/add_spiner

Add spiner