Cihai

- Python 2 CLI fix

- Remove use of singleton metadata object
- Automatically bootstrap UNIHAN on first use

- Load default configuration via internal dictionary

- Update MANIFEST.in

- Automatically reflect database schemas and make available in main cihai object
- Use click library for CLI
- Initial support for character lookups via `$ cihai info <char>`.
- 3 Bootstrap UNIHAN into cihai by default via unihan-tabular project
- 4 Drop python 3.3 and 3.4 support
- 4 Initial [XDG] base directory support
- Move tests to pytest functions and fixtures
- Remove unused test_unihan file
- PEP8, sort imports
- Move default config from _cihai/config.yml_ to _conf/default.yml_.
- Split configuration functionality into `cihai.conf`.
- Functionality for replaces, tildes, environmental variables and xdg variables in settings.
- Document CLI usage via sphinx-argparse

- Rebooted
- Modernize _Makefile_ in docs
- Add Makefile to main project
- Modernize package metadata to use _**about**.py_
- Update requirements to use _requirements/_ folder for base, testing and doc dependencies.
- Update sphinx theme to alabaster with new logo.
- Update travis to use coverall
- Update links on README to use https
- Update travis to test up to python 3.6
- Add support for pypy (why not)
- Lock base dependencies
- Add dev dependencies for isort, vulture and flake8
- Rename `cihai.cihai` to `cihai.core`

[xdg]: https://specifications.freedesktop.org/basedir-spec/basedir-spec-0.6.html

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