* assert: improve support for new execution contexts (lukebayes)

* domain: use camelCase instead of snake_case (isaacs)

* domain: Do not use uncaughtException handler (isaacs)

* fs: make 'end' work with ReadStream without 'start' (Ben Noordhuis)

* https: optimize createConnection() (Ryunosuke SATO)

* buffer: speed up base64 encoding by 20% (Ben Noordhuis)

* doc: Colorize API stabilitity index headers in docs (Luke Arduini)

* net: socket.readyState corrections (bentaber)

* http: Performance enhancements for http under streams2 (isaacs)

* stream: fix to emit end event on http.ClientResponse (Shigeki Ohtsu)

* stream: fix event handler leak in readstream pipe and unpipe (Andreas Madsen)

* build: Support ./configure --tag switch (Maciej Małecki)

* repl: don't touch `require.cache` (Nathan Rajlich)

* node: Emit 'exit' event when exiting for an uncaught exception (isaacs)