Updates from hsd master

[pinheadmz]

From handshake-org/hsd#553:

getbids parameters and explanation is missing, all the auction RPC get'ers should be checked

From handshake-org/hsd#511:

Add deepclean

From handshake-org/hsd#529:

Create presigned reveals endpoint needs to be added.

[pinheadmz]

and handshake-org/hsd#457

[pinheadmz]

also resetrootcache