Update database with 2000 categories.
Update database with 2000 categories.


Former-commit-id: 739306b6b43c476873ba841dd599fb31055e6431
guilherme-pg/citationhunt,guilherme-pg/citationhunt,eggpi/citationhunt,eggpi/citationhunt,eggpi/citationhunt,eggpi/citationhunt,guilherme-pg/citationhunt,guilherme-pg/citationhunt