* Rename elements for clarity
* Merge branch 'master' of https://github.com/prysmaticlabs/Prysm into slasher-renames
* Fix test
* Rename more functions
* Cleanup
* Fix logs
* Merge branch 'master' of https://github.com/prysmaticlabs/Prysm into slasher-renames
* Reorganize and clean up logs
* Address comments
* Add comments
* First wave of changes
* More changes
* More renames, changes
* Fix errors
* Merge branch 'master' of https://github.com/prysmaticlabs/Prysm into cleanup-slasher
* Fix errors, more cleaning
* Merge branch 'master' of https://github.com/prysmaticlabs/Prysm into cleanup-slasher
* Merge branch 'master' into cleanup-slasher
* fix err
* Merge branch 'cleanup-slasher' of https://github.com/0xKiwi/Prysm into cleanup-slasher
* Fix strings
* More cleanup
* Merge branch 'master' of https://github.com/prysmaticlabs/Prysm into cleanup-slasher
* Fix interface
* Fix
* Merge branch 'master' into cleanup-slasher
* Merge branch 'master' into cleanup-slasher
* Merge branch 'master' into cleanup-slasher
* Address comments
* Merge branch 'master' of https://github.com/prysmaticlabs/Prysm into cleanup-slasher
* Merge branch 'cleanup-slasher' of https://github.com/0xKiwi/Prysm into cleanup-slasher
* Clean proto and move slasher proto to own folder
* Change package name to match files
* Fix typo
* Fix tests
* Undo out of scope changes
* Run gazlle
* Fix build.bazel
* goimports
* use LRU cache on skip slots
* add a metric
* gaz
* more metrics
* temporary log
* added more logging
* fix
* only update, if its higher than the cache
* only update, if its higher than the cache
* increase the cache size, just in case
* split cache related stuff into its own file
* add feature flag
* clean up
* add new test
* make test proper
* godoc
* preston's review
* first version of the watchtower api
* service files
* Begin work on grpc server
* More changes to server
* REnames and mock setup
* working test
* merge
* double propose detection test
* nishant review
* todo change
* gaz
* fix service
* gaz
* remove unused import
* gaz
* resolve circular dependency
* resolve circular dependency 2nd try
* remove package
* fix package
* fix test
* added tests
* gaz
* remove status check
* gaz
* remove context
* remove context
* change var name
* moved to rpc dir
* gaz
* remove server code
* gaz
* slasher server
* visibility change
* pb
* service update
* gaz
* slasher grpc server
* making it work
* setup db and start
* gaz
* service flags fixes
* grpc service running
* go imports
* remove new initializer
* gaz
* remove feature flags
* change back SetupSlasherDB
* fix SetupSlasherDB calls
* define err
* fix bad merge
* fix test
* fix imports
* fix imports
* fix imports
* add cancel
* comment stop
* fix cancel issue
* remove unneeded code
* bring back bad merge that removed TODO
* fixed slasher to be runable again
* wait for channel close
* gaz
* small test
* flags fix
* fix flag order
* remove flag