* Get started on cleaning up slashing protection
* Merge branch 'master' of github.com:prysmaticlabs/prysm into cleanup-protection
* Move protection functions to own files
* Lint
* Merge branch 'master' of github.com:prysmaticlabs/prysm into cleanup-protection
* Begin adding test for proposal protection
* Merge branch 'master' of github.com:prysmaticlabs/prysm into cleanup-protection
* Fix build
* Fix tests
* Fix tst
* Fix tests
* Fix proposal tests
* Merge branch 'master' into cleanup-protection
* Merge branch 'master' into cleanup-protection
* Merge branch 'master' into cleanup-protection
* Merge branch 'master' of github.com:prysmaticlabs/prysm into cleanup-protection
* Reorder protections
* Change lock
* Fix test
* Merge branch 'master' into cleanup-protection
* Merge branch 'master' into cleanup-protection
* Merge branch 'master' into cleanup-protection
* Change log
* Merge branch 'cleanup-protection' of github.com:prysmaticlabs/prysm into cleanup-protection
* Merge branch 'master' into cleanup-protection