Log Message:
Update lang/nodejs6 to 6.9.3.

Notable Changes

- build: shared library support is now working for AIX builds
- deps:
  - npm: upgrade npm to 3.10.10
  - V8: Destructuring of arrow function arguments via computed property
    no longer throws
- inspector: /json/version returns object, not an object wrapped
  in an array
- module: using --debug-brk and --eval together now works as expected
- process: improve performance of nextTick up to 20%
- repl:
  - the division operator will no longer be accidentally parsed as regex
  - improved support for generator functions
- timers: Re canceling a cancelled timers will no longer throw