Uses leavingIDs to more efficiently iterate over remote videos.

P2P ver2

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

Moves all static content/files in a new folder.

Also clears debian package from including *.js files from source roote folder, files which were not used.

Fixes wrong i18n key for somebody.

Updates framerate using local statistics.

Adds a script which install certificates from let's encrypt.

The script looks for nginx, apache2 or jetty configuration and edits the first one found. Nginx and apache2 will be reloaded, while jvb will be stopped, configured and started again.

Inspired by the document at jitsi/jitsi.

Fix incorrect password dialog message when using authentication.

This is to help understanding how things are wired.

Firefox (at least) renders it verbatim.

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

Post load error handler

Adds a placeholder which allows to write a plugin for executing some
code after the "load error handler" is triggered. A function named
"postLoadErrorHandler" should be defined in one of
the "#include virtual" files.

ref(avatar): Move Avatar and ParticipantView to base/participants