Removed websocket,chat, websocket.endpoint-singleton, websocket.httpsession

These three project contain features that are not yet supported
Revert "Removed websocket,chat, websocket.endpoint-singleton, websocket.httpsession"

This reverts commit eba0c1f8127f434fac54c846b8a3f52614d2b714.
Removes websocket.singleton, websocket.httpsession

These samples contain features that aren't supported yet
Update README.md
Revert "Update README.md"

This reverts commit de000d6a65c52ff7db0a3124ed3f3d170aa7b46a.
Chat README
Revert "Chat README"

This reverts commit d35208aed5fa81058e09262233aabfee9831c0a2.
Chat README
Merge pull request #9 from alexsm82/master

Remove websocket.singleton, websocket.httpsession, updated readme to list limitations of chat