* Upgrade geth from 1.8.15 to 1.8.18
* Update vat_tune to use shared repository methods
* Query blockchain by block hash instead of block number range
* Remove hash validation from repositories
* Fix vow flog integration test
* Update README Travis build sticker
* Update constants formatting per go fmt
* Update EthPublicKeyParser.ParsePublicKey to use discv5.PubkeyID method
* Address PR comments
* Use shared repository tests for deal
* Small updates to repo tests
* Use shared repository test examples for dent
* Use shared repository test examples for drip_drip
* Use shared repository test examples for drip_file_ilk
* Use shared repository test examples for drip_file_repo
* Use shared repository test examples for drip_file_vow
* Update formatting
* Move chop lump transformer test to a generic log_note_transformer_test
* Add test cases to transformer test
- cat file flip
- cat file pit vow
- deal
- dent
* Move transformer tests over to transformer factor test file
- drip drip
- drip file ilk/repo/vow
- pit file deb ceiling/ilk/stability fee
- price feeds
* Move LogNoteTransformer test into factory package and remove log specific transformer tests
* Move Transformer test into factory package and remove log event specific transformer tests
* Respond to PR comments
* 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 DB migrations for flog
* Add Vow addresses and constants
* Add err logging to ABI signature getter, test for flog sig
* Add flog transformer
* Add tests+data for flog transformer
* Prepend DB tables and columns with vow_
* Panic on failure to get method sig
* Add vat_move transformer base
* Add vat_move migrations
* Add test data for vat_move
* Add vat_move transformer to initialisers
* Add numeric cast to psql insert of Rad
* Add new db schema
* Dependency update
* Expand abbreviation in repository
* Add test suite for vat_move
* Add header checking to transformer and mock repository
* Remove trailing zero in test data
* Fix minor mishaps
* Go fmt nitpicking
* Refactoring in tests
* Add tests covering checked headers stuff (and fix revealed bugs)
* go fmt fixes
* Implement batching behaviour of transformer
* Small fixes after review
* Go fmt
* VatHeal Converter
* Add VatHeal repository
* Add VatHeal transformer
* Add VatHeal to continuousLogSync command
* Mark vat_init_checked as true when creating vat init records
* Update urn and v converting
* Return error if Repository.MarkCheckedHeader fails
* Add deleting vat heal from test cleanup method
* 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
