Merge pull request #1 from jsmanrique/master

Changes on landing page texts
New font sizes for heading
Stylesheets for margin/padding
New markup
Changes for example/item.html
Remove unnecesary files
New style for nav.group
Rename .column + _*  to .column_*
[EXAMPLE] Dashboard
New style for <ul> / <ol>
Remove .normal class
Changes for dashboard (example)
Search style
Added tuktuk.icon for package
tuktuk.icon
Changes in navigation
[EXAMPLE] Index
Package 0.2
Tuktuk.icon now is a widget
Remove unnecesary files