Remove all stuff from Google+ except Hangouts

Remove all stuff from Google+ except Hangouts. Also hides contact list hover divs.

这些是代码更新过的版本。 显示所有版本

  • v0.2 2014-07-17 Removed addListener() because it was not being used. It's only for a planned future release.
  • v0.1 2014-07-17