* Removes tests from publishing. #683
  * Uses new strategy to validate binary after
    the download.
  * Moves mocha under dev-dependencies in
    package.json.
* Truncates the forth portion from v8 version
  as discussed in #710.
* Moves pangyp from dev to main dependencies in
  package.json.

Issue URLs: #683 and #710.
PR URL: #717.