Fix index identantion.
Add welcome component.
Accordion improvements.
Display '<1%' when answer analytics is less than 0.
Merge pull request #29 from mlopez-firstfactory/development

Apply a fixed width depending on question data
Add fixed Width validation to question view.
Improve welcome component and add require url's.
Remove un used folder 'web' and
move 'angular web app' folders as root.
Remove old json analytics data.
update grunt paths.
update bower libraries.
Update challenge UI and accordion UI.
Update bower components version.
Integrate controllerAs instead of $scope approach.
Improve application module.
Add camel-casing for services and factories inside application module.
Improve Dashboard Module.
Improve angular initialisation.
Add new full name property.
add image profile link.
Fix duplicate answers issue.
Fix user selection answers after confirm.
Fix Indentation.
Add ui.bootstrap modules.
Add custom accordion component.
Add new feature to track list.
Add new home dependency to require accordion module.
Migrate practices and question modules to controllerAs approach.
Remove variable assignation of modules according to a best practice.
Remove Giff images.
Add practice factories as independent module.
Add new css sprite animation.
Improve answer type loading by ng include and html tpls.
Improve accordion component.
Add new template for
Delete old track dashboard.