Fix off-by-1ms error
scrollAfter directive uses a prepended var in scope
URL can contain room and datetime
Improve display of timestamps
search.js can search consecutively by number instead of time
Reset items when initialising controller
Improve layout, fix incorrect function call in date
Move url logging into the main server
Display error if search query dates are invalid
Use ng-href instead of href for calculated anchor urls
Convert urls in messages to hyperlinks