global: porting modules and extra requirements
- Ports BibAuthority module and BibIndex tokenizers.
- Allows user to install Invenio with optional dependencies using extras_requires option in setup.py. NOTE: you can use pip install -e .[dev]
- Adds *.kb to MANIFEST.in.
Reported-by: Guillaume Lastecoueres <guillaume.lastecoueres@cern.ch>
Co-authored-by: Adrian-Tudor Panescu <adrian.tudor.panescu@cern.ch>
Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
NOTE: beware, patch amended by Tibor to use new file names