* mark websockets flag as deprecated, begin removing uses
* powchain package now builds
* Merge branch 'master' into no-websocket
* use seconds per eth1 block
* fix tests
* Merge branch 'master' into no-websocket
* rem websocket req
* Merge branch 'no-websocket' of github.com:prysmaticlabs/prysm into no-websocket
* Merge refs/heads/master into no-websocket
* Merge refs/heads/master into no-websocket
* fix broken test
* Merge refs/heads/master into no-websocket
* Merge refs/heads/master into no-websocket
* Merge refs/heads/master into no-websocket
* Merge refs/heads/master into no-websocket
* Merge refs/heads/master into no-websocket
* Merge refs/heads/master into no-websocket