Change Notary to Attester Across Codebase#326

Merged

rauljordan merged 2 commits intoprysmaticlabs:masterfrom terencechain:s/notary/attester

Jul 26, 2018

+828-828

Commits on Jul 25, 2018

s/notary/attester
terencechain
committed

Commits on Jul 26, 2018

add attester
terencechain
committed