Release proposal: v4.2.0 'Argon' (LTS)

Aiming for Monday release. This is for the LTS release. Notable changes still need to be documented and there's still likely a small handful of issues that need to be closed and included (see https://github.com/nodejs/node/pulls?page=1&q=is%3Apr+label%3Aland-on-v4.x+-label%3Alts-landed-on-v4.x&utf8=%E2%9C%93)

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• [8383c4fe00] - assert: support arrow functions in .throws() (Ben Noordhuis) #3276
• [3eaa593a32] - async_wrap: correctly pass parent to init callback (Trevor Norris) #3216
• [54795620f6] - buffer: don't abort on prototype getters (Trevor Norris) #3302
• [660f7591c8] - buffer: FreeCallback should be tied to ArrayBuffer (Fedor Indutny) #3198
• [651a5b51eb] - buffer: only check if instance is Uint8Array (Trevor Norris) #3080
• [d5a1b1ad7c] - buffer: clean up usage of proto (Trevor Norris) #3080
• [af24376e18] - build: Intl: deps: bump ICU to 56.1 (GA) (Steven R. Loomis) #3281
• [9136359d57] - build: make icu download path customizable (Johan Bergström) #3200
• [b3c5ad10a8] - build: add --with-arm-fpu option (Jérémy Lal) #3228
• [f00f3268e4] - build: intl: avoid 'duplicate main()' on ICU 56 (Steven R. Loomis) #3066
• [071c72a6a3] - deps: upgrade to npm 2.14.7 (Kat Marchán) #3299
• [8b50e95f06] - (SEMVER-MINOR) deps: backport 1ee712a from V8 upstream (Julien Gilli) #3036
• [40a159e4f4] - doc: Amend capitalization of word JavaScript (Dave Hodder) #3285
• [6dd34761fd] - doc: add method links in dns.markdown (Alejandro Oviedo) #3196
• [333e8336be] - doc: add method links in child_process.markdown (Alejandro Oviedo) #3186
• [0cfc6d39ca] - doc: recommend Infinity on emitter.setMaxListeners (Jason Karns) #2559
• [d4fc6d93ef] - doc: add help repo link to CONTRIBUTING.md (Doug Shamoo) #3233
• [28aac7f19d] - doc: add TLS session resumption example (Roman Reiss) #3147
• [365cf22cce] - doc: update AUTHORS list (Rod Vagg) #3211
• [d4399613b7] - doc: standardize references to userland (Martial) #3192
• [75de258376] - doc: fix spelling in Buffer documentation (Rod Machen) #3226
• [725c7276dd] - doc: fix README.md link to joyent/node intl wiki (Steven R. Loomis) #3067
• [4a35ba4966] - (SEMVER-MINOR) fs: include filename in watch errors (charlierudolph) #2748
• [2ddbbfd164] - http: cork/uncork before flushing pipelined res (Fedor Indutny) #3172
• [f638402e2f] - http: add comment about outputSize in res/server (Fedor Indutny) #3128
• [1850879b0e] - js_stream: prevent abort if isalive doesn't exist (Trevor Norris) #3282
• [63644dd1cd] - lib: remove redundant code, add tests in timers.js (Rich Trott) #3143
• [74f443583c] - module: use UNC paths when loading native addons (Justin Chase) #2965
• [9d65528b01] - (SEMVER-MINOR) node: add -c|--check CLI arg to syntax check script (Dave Eddy) #2411
• [589287b2e3] - src: convert BE-utf16-string to LE before search (Karl Skomski) #3295
• [2314378f06] - src: fix u-a-free if uv returns err in ASYNC_CALL (Karl Skomski) #3049
• [d99336a391] - (SEMVER-MINOR) src: replace naive search in Buffer::IndexOf (Karl Skomski) #2539
• [546e8333ba] - (SEMVER-MINOR) src: fix --abort-on-uncaught-exception (Jeremy Whitlock) #3036
• [7271cb047c] - (SEMVER-MINOR) src: add process.versions.icu (Evan Lucas) #3102
• [f0f8afd879] - test: remove common.inspect() (Rich Trott) #3257
• [5ca4f6f8bd] - test: test util rather than common (Rich Trott) #3256
• [7a5ae34345] - test: refresh temp directory when using pipe (Rich Trott) #3231
• [7c85557ef0] - test: Fix test-fs-read-stream-fd-leak race cond (Junliang Yan) #3218
• [26a7ec6960] - test: fix losing original env vars issue (Junliang Yan) #3190
• [e922716192] - test: remove deprecated error logging (Rich Trott) #3079
• [8f29d95a8c] - test: report timeout in TapReporter (Karl Skomski) #2647
• [2d0fe4c657] - test: linting for buffer-free-callback test (Rich Trott) #3230
• [70c9e4337e] - test: make common.js mandatory via linting rule (Rich Trott) #3157
• [b7179562aa] - test: load common.js in all tests (Rich Trott) #3157
• [bab555a1c1] - test: speed up stringbytes-external test (Evan Lucas) #3005
• [ddf258376d] - test: use normalize() for unicode paths (Roman Reiss) #3007
• [46876d519c] - test: remove arguments.callee usage (Roman Reiss) #3167
• [9c2748bad1] - tools: remove leftover license boilerplate (Nathan Rajlich) #3225
• [5d9f83ff2a] - tools: apply linting to custom rules code (Rich Trott) #3195
• [18a8b2ec73] - tools: remove unused gflags module (Ben Noordhuis) #3220
• [e0fffca836] - util: fix for inspecting promises (Evan Lucas) #3221
• [8dfdee3733] - util: correctly inspect Map/Set Iterators (Evan Lucas) #3119
• [b5c51fdba0] - util: fix check for Array constructor (Evan Lucas) #3119