Update database with 1500 categories.
Update database with 1500 categories.


Former-commit-id: 4f27f466171f5f37a0241db930333bf8bc38d9ca
guilherme-pg/citationhunt,guilherme-pg/citationhunt,eggpi/citationhunt,guilherme-pg/citationhunt,eggpi/citationhunt,eggpi/citationhunt,eggpi/citationhunt,guilherme-pg/citationhunt