html structure semantic rewrite, font-awesome icons, css improvements
Merge branch 'add/admin_view' of https://github.com/deiwin/praad into add/admin_view
href="#" -> href="javascript:undefined"
fix restaurant name sorter

was not updated when the model changed
update sorters to use ng-show

now sorters will display the order icons using ng-shwow
is-numeric attribute can be used to show numeric icons instead of the default alphabetic ones
this breaks the current view, though. The html/css needs to be cleaned up
update sorter directive to include common transcluded elements
fix sorter directives jumping around
Merge pull request #31 from deiwin/add/admin_view

Update admin view to look good