Merge branch 'master' of https://github.com/videojs/video.js into stable

* 'master' of https://github.com/videojs/video.js:
  @deedos added a Brazilian Portuguese translation. closes #1520
  Updated contrib.json to match new prompt formatting
  Updated contrib.json to comply with new contrib formatting
  Fix broken link in CONTRIBUTING.md
  Updated travis YML to exclude success messages from IRC
  Removed dist files
Removed dist files
@aptx4869 fixed an issue where the native JSON parser wasn&#x27;t used. closes #1565
@andekande improved the German translation. closes #1555
@OlehTsvirko added a Ukrainian translation. closes #1562
@OlehTsvirko added a Russian translation. closes #1563
@thijstriemstra added a Dutch translation. closes #1566
Merge branch 'stable' of https://github.com/videojs/video.js into stable

* 'stable' of https://github.com/videojs/video.js: (26 commits)
  Release 4.9.0
  @mmcc added support for audio tags (html5 audio only). closes #1540
  Added a line to the changelog for #1519. closes #1519
  @heff updated to swf v4.5.0 to fix event issues. closes #1554
  @twentyrogersc fixed the return value when setting the poster source. closes #1552
  @philipgiuliani added an Italian translation. closes #1550
  @mmcc made it possible to override the font-size of captions and subtitles. closes #1547
  @doublex fixed an issue with IE7 backwards compatibility. closes #1542
  Added a line to the changelog for #1533
  Exported the videojs.Flash.version method for use in external techs
  Export videojs.Flash.embed
  Reorganized the volume menu button styles and removed some duplicate definitions
  @seniorflexdeveloper added new translations and translation updates. closes #1530
  Fixed a spelling error in the player docs. closes #1528
  @chikathreesix fixed an issue where data-setup options could be missed. closes #1514
  @t2y added a Japanese translation. closes #1497
  @alexrqs cleaned up the Spanish translation. closes #1494
  @mynameisstephen fixed an issue where slider event listeners were not cleaned up. closes #1475
  @baloneysandwiches added a hasClass method. closes #1464
  Release 4.8.5
  ...
Merge branch 'master' of https://github.com/videojs/video.js into stable

* 'master' of https://github.com/videojs/video.js:
  @thijstriemstra added a Dutch translation. closes #1566
  @OlehTsvirko added a Russian translation. closes #1563
  @OlehTsvirko added a Ukrainian translation. closes #1562
  @andekande improved the German translation. closes #1555
  @aptx4869 fixed an issue where the native JSON parser wasn&#x27;t used. closes #1565
  Removed dist files