Braingeneers-smart-open

- Bug fix release to enable 'wb+' file mode (PR 50)

- Disable multiprocessing if unavailable. Allows to run on Google Compute Engine. (PR 41, nikicc)
- Httpretty updated to allow LC_ALL=C locale config. (PR 39, jsphpl)
- Accept an instance of boto.s3.key.Key (PR 38, asieira)

- WebHDFS read/write (PR 29, ziky90)
- re-upload last S3 chunk in failed upload (PR 20, andreycizov)
- return the entire key in s3_iter_bucket instead of only the key name (PR 22, salilb)
- pass optional keywords on S3 write (PR 30, val314159)
- smart_open a no-op if passed a file-like object with a read attribute (PR 32, gojomo)
- various improvements to testing (PR 30, val314159)

- support for multistream bzip files (PR 9, pombredanne)
- introduce this CHANGELOG