better theme for room div and back to 48px for top margin, otherwise items are masked by top bar.
Simplify layout of main items
padding top is need for mobile...
Add new directive contentItem to create different element depending on variable type
Fix use of json in room controller
Add pobile path to room url, it has to be generic, to work also in desktop mode, but i don't know how to do yet
use directive previsouly added in room.html