Use the caching from statistics, by calling loaded and dispose methods (onload and onerror).

_setMute refactoring to allow muting/unmuting local tracks when they are not in conference

Analytics update

Adds re-initialize of callstats if addNewFabric fail.

Implements desktop sharing extension external installation

Moves loading of analytics in the library.

Fix session-accept timeout

Do not flush the connection after 'session-accept'
is queued to avoid BOSH race condition issue.

This is an unrecoverable error and in current state of
the system reload in the client is the least complex
thing to do.

Analytics move

Stores render event in connection times to use it for tests.

Moves render time calculations in the library.

Make 'isDeviceListAvailable' a Promise

Adds events for various disconnects, failures and reloads.

On Safari/IE we have to wait until the WebRTC stack is
initialized in case the plugin is being installed for
the first time.

Lowers the verbosity on data channel errors.

Format callstats application logs as JSON

Throws an exception when strophe plugins are missing.

Fixes connection optimization for IE.

Checks for missing room on muting locally.