Merge branch 'release/0.14'

* release/0.14:
  enable other UT
  version bumped
  better test case
  UT for kinesis
  fix some testcase
  kinesis client added
  experimental and very limited proxy support added
  Update README.rst
Purification by fire: remove most of the useless AWS stuff and whatnot; make the keepalive client class a proper AsyncHTTPClient subclass and make it work with Tornado 4