index: add webrtc-adapter.js, yet unused Provision already downloads this file.

calls: new ui element, yet unused

contacts: removing contact from the collection also removes it visually

getVersion: check delay is just not null Also parens in function calls.

contacts: dropdown with a remove button

contacts: show authorize/unauthorize buttons for new contacts

index: only show login form after rivets init It's needed because of rv-each on an alert, which shows up as an empty alert box before connRivet is bound to it.

contacts: input+button for adding contacts to roster

onConnected: get roster after connect

css: improve contact list borders (between contacts and on the right)