Uses leavingIDs to more efficiently iterate over remote videos.

Will show (direct) next to the UPD or TCP transport type if we're
running on P2P connection.

* Handle last n in the client

* fix(LargeVideoManager.js): Fixes check for low bandwidth. Needs more work

* fix(LargeVideoManager.js): Fixes the Shared Video test.

* fix(LargeVideoManager): Fix shared video view and remove last n checks.

* fix(LargeVideoManager): Fixes jsdoc comment

* fix(RemoteVideo): Fix connection status check

* fix(LargeVideoManager,RemoteVideo): Syntax errors

Updates transport type to show multiple values as we do for addresses and ports.

Be consistent about formatting within 1 and the same file.

If half the file is written in ES6, it is easier to read if the rest of
the file is in ES6 as well. If ES6 is used, then const is better than
let. If source code is shorter yet as readable as the long version, then
prefer the short version.

window.location calls it reload so util/helpers shouldn't call it
redirect because UI/util/UIUtil has it is own redirect which is the
assign of window.location.