Articlequality

Changed
- Cleanup to feature sets for enwiki and frwiki.
- Spaces to tabs in Makefile
- Pass `page_labeling` to `extract_text` as arg.

Fixed
- Fixed issue with generator requirements in setup.

Changed
- README format changed from `.rst` to `.md`.
- Update functions documentation.
- Minor updates to Makefile and `extract_text` for running on stat3

Added
- Basic API.
- Added tests for all features and datasources.
- Added frwiki extractor
- Added `extract_text` utility.

Changed
- Restructured wikiclass to make use of the revscoring package.
- Completed enwiki extractor.
- Added error handling in case mwparserfromhell fails.
- Switches `extract_labelings` to use mwxml library
- Remove post '/' stuff from titles during normalization.
- Additional documentation.

Fixed
- Minor issues in `extract_features.py` script.

Removed
- Removed duplicated feature definitions(now part of revscoring).
-

Added
- Added minimal docs setup.
- Added a LICENSE.

Changed
- Moved `add_text` util to `scripts/` dir.
- Completed basic docs.

Fixed
- README errors.
- Handle division-by-zero case for articles with no words.

- First release on PyPI.

Added
- Working RFTextModel
- Added `add_text` util.
- Basic README.