Use widePage template in atAGlance page, switch left and right column and added example for Play2.
Changed route atAGlance to at_a_glance.
Added colors to code examples shown in At A Glance page.
Added more new quick references and some adjustments  At A Glance page.
Make at a glance page even wider.
Experimented a bit with at a glance until I found a good direction.