Describe how to use local lib-jitsi-meet repository with npm link

Fixes SmallVideo object not making a difference between an audio and a video stream, which was causing FireFox issues with large video set to the audio stream.

Updates readme for working with lib-jitsi-meet sources. Separates deploy make targets for deploying only the lib.

do not hide small video until stream has been attached

Re-implements last N related code to use the library. Fixes issues with resizeThumbnails. Fixes last N related event handling.

Does not disconnect from the XMPP server on unload in jitsi-meet-new because the API has taken on that responsibility.

fix issue with fullscreen in Safari in jitsi-meet-new

Minor fixes for jitsi-meet-new

* use proper context for the function
* remove duplicate line

Do synchronous Strophe disconnect in order to increase the chances of the delivery of the unavailable presence to the XMPP server.

Merge branch 'video-resize-issue' of git://github.com/isymchych/jitsi-meet into isymchych-video-resize-issue

added documentation (jsdocs) to jitsi-meet-new

do not use xmpp module in API module