The *core* parts are now powered by AngularJs

Refactoring may be needed in the future.
Split the steps in demo.html into separate files ala @wiesom
Do the status messaging more angular

Use ng-show instead of having Jquery script to change the
content and class of a div when setting error, warning or progress.
Move the status divs for step2 below the table
Merge pull request #13 from wiesom/angular_status

Do the status messaging more angular
Extract styling for .status into the CSS
Remove applicable jQuery snippets
Reduce the DOM usage for while gathering the updated dependencies for export
Merge pull request #14 from karllindmark/angularjs-rebased

Convert almost all jQuery code to Angularjs