TRIVIAL fixing bundle_loader on OSX
TRIVIAL removing zeromq from build process on Yosemite for now
working on fixing python and zeromq on Yosemite
Finished release v2.7.6.21.

* release/v2.7.6.21:
  working on fixing python and zeromq on Yosemite
  TRIVIAL removing zeromq from build process on Yosemite for now
  TRIVIAL fixing bundle_loader on OSX