Release of 1.4.11

- cc53cb8887dde21b817ea66f1c9d006ac0647c53: Merge pull request #814 from mattrjacobs/upgrade-rx-1-0-12
- 5d6a1b5c1111c087f5879418c15923b0fbcacbb2: Merge pull request #813 from mattrjacobs/log-recoverable-errors
- 160679722a753655bf7ef5276d1e50bd38d3772c: Upgrade to RxJava 1.0.12
- 5654a79387000fabe0cfb69b2cf50ba5b2a67ba8: On recoverable java.lang.Error, log something so that application owners are notified, even as Hystrix serves a fallback
- 793d366aa7fe69e4b595c82d25896b7cd4a7e30e: Merge pull request #812 from killme2008/master
- bebb4cb48bd2f045aa119fee8a1ec5d9988b1334: Fixed issue #811 :can't define overload functions in hystrix-clj.
- 817cec254dd3f400920476128ae9928bed173df2: Merge pull request #808 from fhopeman/patch-1
- 231b821b5df25d4cec07d6cf7e3fda9dcf643709: update readme to latest version
- f44c5a176bdda7c386cc64a5d9a953c8955c443f: Update CHANGELOG.md
