v1.6.0-rc.2

md5sum

File	md5sum
ontology-darwin-amd64	6f0bb48c3d7f67c46d9e88f0594f5259
ontology-linux-amd64	1b541ffcd4ba2fa45b4511de77195b68
ontology-windows-amd64.exe	baa89fcbf06a74769148e3401c7c58e7
tool-darwin.zip	1be2ed83758952108d21c5b63a80d651
tool-linux.zip	5862c04e780d564ed16426525be33c2b
tool-windows.zip	3f01f47b0f646469cd1a86f21fc77eb3

Change Log

• optimize consensus code,modify return type when no error msg (#821)
• fix consensus and candidate fee split (#837)