* visibility added
* register in node
* fixed up imports
* include detection listeners for feed
* subscribe to blocks and todos
* tests passing
* todos
* pkg comment
* include slasher node
* slasher node runtime added
* added in register for beacon client
* streaming blocks fixed up
* all subs working
* gazelle
* handle errors
* Merge branch 'master' into slasher-node
* Update slasher/node/BUILD.bazel
* x up slasher test
* Merge refs/heads/master into slasher-node
* Merge refs/heads/master into slasher-node
* add in force clear into usage
* Merge refs/heads/master into slasher-node
* usage
* Merge refs/heads/master into slasher-node
* Fix streamblocks test
* Merge refs/heads/master into slasher-node
* Fix docker image compile
* Merge branch 'slasher-node' of https://github.com/prysmaticlabs/Prysm into slasher-node