2017-02-21, Version 4.8.0 'Argon' (LTS)

Notable Changes:

* child_process: add shell option to spawn() (cjihrig)
  #4598
* crypto:
  * add ALPN Support (Shigeki Ohtsu)
    #2564
  * allow adding extra certs to well-known CAs (Sam Roberts)
    #9139
* deps:
  * v8: expose statistics about heap spaces (Ben Ripkens)
    #4463
* fs: add the fs.mkdtemp() function. (Florian MARGAINE)
  #5333
* process:
  * add `externalMemory` to `process` (Fedor Indutny)
    #9587
  * add process.cpuUsage() (Patrick Mueller)
    #10796

PR-URL: #10973

CHANGELOG.md

@@ -78,7 +78,8 @@ release.
 <a href="doc/changelogs/CHANGELOG_V5.md#5.0.0">5.0.0</a><br/>
   </td>
   <td valign="top">
-<b><a href="doc/changelogs/CHANGELOG_V4.md#4.7.3">4.7.3</a></b><br/>
+<b><a href="doc/changelogs/CHANGELOG_V4.md#4.8.0">4.8.0</a></b><br/>
+<a href="doc/changelogs/CHANGELOG_V4.md#4.7.3">4.7.3</a><br/>
 <a href="doc/changelogs/CHANGELOG_V4.md#4.7.2">4.7.2</a><br/>
 <a href="doc/changelogs/CHANGELOG_V4.md#4.7.1">4.7.1</a><br/>
 <a href="doc/changelogs/CHANGELOG_V4.md#4.7.0">4.7.0</a><br/>