Removed unsupported app thumbnails and use long description markdown file
Added long_description in MarkDown
template and tutorial with both Bootstrap 3 and 2
Use FontAwesome icons
Use alert-danger (BS3)
Use progress-bar instead of bar (BS3)
Changed application to project
Use better question icon
Changed label-inverse for label-info
Fix to fit theme snippet
Merge pull request #6 from PyBossa/updates

Updates