Fix title in about.py
# https://python-packaging-user-guide.readthedocs.org/en/latest/single_source_version/
# https://github.com/pypa/warehouse/blob/master/warehouse/__about__.py
-__title__ = 'spacy-nightly'
-__version__ = '2.0.0rc2'
+__title__ = 'spacy'
+__version__ = '2.0.0'
__summary__ = 'Industrial-strength Natural Language Processing (NLP) with Python and Cython'
__uri__ = 'https://spacy.io'
__author__ = 'Explosion AI'
