* Log checked headers for Bite events
* Log checked headers for Drip drip events
* Log checked headers for Drip file events
- mark headers checked for 3 implementations of file on the Drip contract
* Log checked headers for Frob frob events
* Log checked headers for Pit file events
- mark headers checked for 3 implementations of file on the Pit contract
* Log checked headers for Vat init events
- mark header as checked if no matching logs
- mark header as checked if all matching logs persisted successfully
- batch convert and insert matching logs to enable transactional persist
- enable skipping previously checked block headers when restarting a sync
- Indicate that a header has been checked for logs if no logs returned
- Indicate that a header has been checked for logs when persisting a log
- Fetch headers that need to be checked based on absence of the above
- Enables parsing additional values off the log if necessary
- Also update Frob to reflect DSS changes (lad => urn)
- Move Frob constants to shared directory
* Update FlipperAddress to new local ganache address
* Update flip_kick table
* Update flipkick transformer to handle new signature and abi
* Update tend table
* Update tend converter
add transaction index and raw log to bite table
work on converter for bite event
update bite repository, replace guy with 32byte lad; create bite converter to entity
update field type for bite event; start on bite transformer
finish bite event transformer
* Incorporate DSS updates
- Lad renamed to Guy
- Dink and Dart added to Frob
* update test chain data
* Remove Mom field from FlipKick
* Update Flip ABI and sample flip kick data
* Incorporate updates to Frob event
- Guy renamed to Lad
- Era and Gem removed, iArt added
- Also turn off integration tests that read from test chain while
events are actively under development
- fetches logs from all three price feeds in one query
- assumes eth/usd price feed will be updated to include LogValue event
- updates transformers to run separate from header sync
- currently not validating price feeds if the underlying header already exists
and is valid, since price feeds should have been added when initial header
was added