Added support for IPv6 IP address for the server
Merge pull request #746 from chrisdail/master

[#1803] Added support for IPv6 IP address for the server
changed 1.3.0 release notes
[#1766] fix for websocket dropping event (by blocking) - archivedEventStream will still have the dropped packets bug but will at least log that it drops packets
[#1679] IO.writeContent adds newline
[#1679] IO.writeContent adds newline - forgot one
code formatting and if not application.mode is defined, use the dev mode
Secure PLAY_ERRORS & PLAY_LANG cookies when session is secure
[#1806] Upsate to netty v3.9.0
[#1806] Up[date to async-http-client V1.8.8