Release of 1.4.4

- 750a72bb24b11947fba8de7144b1d9ba46b3d37b: Merge pull request #743 from mattrjacobs/update-timeout-javadoc
- 51063b92c8e7da26a63010630b4fadc6cea77456: Also update the HystrixCommandProperties.Setter
- bbd7d22eeab500c4a0f8b0eb5098a64fcd5f515e: Add @deprecated Javadoc to getExecutionIsolationThreadTimeoutInMilliseconds()
- 263bb0a768b8212ba43ad4cb0b2ecaa7d2abd24f: Merge pull request #742 from mattrjacobs/add-timeout-disable-flag
- bf374c999cf0b34f9dc9089e545515c9ee92d96d: Add ability to disable timeout per-command and wire it in
- 8e0bcf63bba7869a4e3e217882a92cf464800221: Merge pull request #741 from mattrjacobs/error-handling-bugfix
- e8cd0f81422c6a84e2d464971d811f2f5d347c8c: Properly check for all unrecoverable types of errors
- 8ac35b99acad43534c0d18e3a58da9ec5fe43615: Merge pull request #735 from dmgcodevil/master
- a22afb22bae6a6c0b0967a0dcbbbc7fdda5e3aa5: Merge pull request #739 from mattrjacobs/some-errors-should-not-trigger-fallback
- 302fa7068f3de64c68ee1585763d752a699bbf90: Treat some java.lang.Errors as unrecoverable and immediately propagate
- 5c001760e18e348aae4e5d52fa35453b21f57ecf: Merge pull request #738 from mattrjacobs/filter-semaphore-only-pools-from-metrics-stream
- e24e5623846ecc24984c1271b81ae41aa63e38bb: Filter out thread pools from metrics stream that have had no commands executed on them
- eb4002e1f72bc249c37373c3cfd00686f9227b55: Merge branch 'master' of github.com:dmgcodevil/Hystrix
- a614fdf9e2f3ad4e178db8253cd6a79be10bb417: #689: revert to java 6
- 3f1b9078e07dc06ddf4c3a961570b8f6b88bbd24: Update README.md
- eecfdc059a0378b637fe3b6adae39ef86b121965: Update README.md
- e44494f6b38845fca4833dcfc79a3d819bcc21a3: Update README.md
- ba90b6c30a6970a589c2312b45f0f69939dc3287: #689: code style
- bf9da0e1b954468e059ccca11971a52c0e7ce480: #733: added tests for async generic method
- 533661cad121cae845e7cc8d8fb1d3f4ce852722: #689: fixed tests
- 45df1580291c16cdb97e87bcbb8fcf5157f55256: #689: removed unnecessary functionality
- d2fb9503a68c8a3ec0237ec06b8e9838d496d909: Merge pull request #732 from mattrjacobs/comment-out-flaky-fallback-rejection-test
- e66f5155d17abfa2781dfa326676ca1812761e43: Fixing unit test comment-out
- 4b63ed4a65d417d0ba8b77c45a10e060c99e372d: COmment out flaky fallback rejection test
- eb04f8c8ed048205563c27d8194008dd2248a9f3: Merge branch 'master' of https://github.com/Netflix/Hystrix
- b190d600b9e0ba06726ad6a2f0f76eed2ab8084b: #689: BatchHystrixCommand has no sence and doesn't collapse requests
- 4d0432e6f711a6ed93a6231378dc064025a7e449: Update README.md
- f76c177f84725c0bab17dc6bd0a05abcf83d9f43: Update CHANGELOG.md
