* Use transformer factory for Bite
- introduces separate transformer factory for non-LogNote events
- converter includes `ToEntities` for events defined via ABI
* Updates after rebasing with staging
* Add log_index field to flip kick
* Add log index to flop kick
* Add repo tests for Cat.file
* Add log_index to vat_flux
* Add log_index to vat_slip
* Add log_index to vat_toll
* Add log_index to vat_tune
* Add test to repos for updating checked headers
* Deal integration test
* Add LogIndex to CatFileChopLump to update unique constraint
* Add LogIndex to cat_file_pit_vow records
* Add integration tests for Cat.file transformers
* Add log index to Cat.file flip