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
5.4.30
update the README for latest changes
Merge remote-tracking branch 'origin/5_4_mountainlion' into 5_4_snowleopard

* origin/5_4_mountainlion:
  update the README for latest changes
  5.4.30
  add note about yosemite and 5.6

Conflicts:
	README.maintainer.md