Web socket connectivity guidelines

[Luke 42077]

Beginning with the next server release we'll no longer need port 8945.

 

Therefore it's no longer necessary to pull down SystemInfo in order to determine the web socket port (although you can still continue to do this).

 

I've updated the guidelines on how to construct the web socket url based on the http url:

 

https://github.com/MediaBrowser/MediaBrowser/wiki/Web-Socket

[chef 3810]

this is part of the security updates.