model: rename db.BaseModel to avoid confusion with base.BaseModel There exist two BaseModel classes in kallithea.model: - kallithea.model.base.BaseModel (previously kallithea.model.BaseModel) - kallithea.model.db.BaseModel Needless to say, this is very confusing, so rename one of them.

# requirements.txt file for use as "pip install -r requirements.txt" as a
# readthedocs compatible alternative to "pip install -e ." which is a working
# alternative to "setup.py develop" which doesn't work with Mercurial 3.7
.