Render the open ticket count in nav tabs

We use a ajax call to update the #tickets_tab every 30 seconds, adding a icon and open ticket count as needed and adding class 'notice' on the tab.
Remove old todo-note
Animation stylesheet

We currently only use it to animate the icon in #displays_tab when there are displays not responding.
Highlight the #tickets_tab with open tickets
Basic styling for tickets#index

We color the status column by the status in the table
Link name to #show
Little better colors for table.tickets