Smart-open

- Enable compressed formats over http. Avoid filehandle leak. Fix 109 and 110. (PR 112, robottwo )
- Make possible to change number of retries (PR 102, shaform)

- Bugfix for compressed formats (PR 110, tmylk)

- HTTP/HTTPS read support w/ Kerberos (PR 107, robottwo)

- HdfsOpenWrite implementation similar to read (PR 106, skibaa)
- Support custom S3 server host, port, ssl. (PR 101, robottwo)
- Add retry around `s3_iter_bucket_process_key` to address S3 Read Timeout errors. (PR 96, bbbco)
- Include tests data in sdist + install them. (PR 105, cournape)

- Add MANIFEST.in required for conda-forge recip (PR 90, tmylk)
- Fix 92. Allow hash in filename (PR 93, tmylk)

- Relative path support (PR 73, yupbank)
- Move gzipstream module to smart_open package (PR 81, mpenkov)
- Ensure reader objects never return None (PR 81, mpenkov)
- Ensure read functions never return more bytes than asked for (PR 84, mpenkov)
- Add support for reading gzipped objects until EOF, e.g. read() (PR 81, mpenkov)
- Add missing parameter to read_from_buffer call (PR 84, mpenkov)
- Add unit tests for gzipstream (PR 84, mpenkov)
- Bundle gzipstream to enable streaming of gzipped content from S3 (PR 73, mpenkov)
- Update gzipstream to avoid deep recursion (PR 73, mpenkov)
- Implemented readline for S3 (PR 73, mpenkov)
- Added pip requirements.txt (PR 73, mpenkov)
- Invert NO_MULTIPROCESSING flag (PR 79, Janrain-Colin)
- Add ability to add query to webhdfs uri. (PR 78, ellimilial)