5.4.28
5.4.29
add note about yosemite and 5.6
Merge branch '5_3_mountainlion' into 5_4_mountainlion

* 5_3_mountainlion:
  add note about yosemite and 5.6
Merge branch '5_4_mountainlion' into 5_5_mountainlion

* 5_4_mountainlion:
  add note about yosemite and 5.6