sol_Bo8des9o/openzeppelin-contracts @ ccfd370b893c1fc273b2b553fe5cdd52e02eef3a

Francisco Giordano 528c23d679 Remove ethpm.json and update releasing docs (#2205)		%!s(int64=5) %!d(string=hai) anos
..
release.sh	e4d2830f1d Update release script for major releases	%!s(int64=5) %!d(string=hai) anos
synchronize-versions.js	528c23d679 Remove ethpm.json and update releasing docs (#2205)	%!s(int64=5) %!d(string=hai) anos
update-changelog-release-date.js	49eae91441 change double quotes for single quotes	%!s(int64=6) %!d(string=hai) anos
version.sh	04a1b21874 update docs-utils to keep docs version in sync	%!s(int64=5) %!d(string=hai) anos