5.6.0RC2
Merge remote-tracking branch 'origin/5_6_mountainlion' into 5_6_yosemite

* origin/5_6_mountainlion:
  5.6.0RC2
5.6.0RC3
Merge remote-tracking branch 'origin/5_6_mountainlion' into 5_6_yosemite

* origin/5_6_mountainlion:
  5.6.0RC3