wip
moved stack implementation as LinkedBlockingDeque
(cherry picked from commit b0944de75183326171be8e967d720e9ad02ac17f)

Conflicts:
	.gitignore
	ext/websocket-gateway.zip
	extension/railo/extension/gateway/WebSocket.cfc
deploy new stack

Conflicts:
	ext/websocket-gateway.zip
wip
wip