Kevin Wan acdaee0fb6 fix golint issues in core/stat (#515) %!s(int64=3) %!d(string=hai) anos
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serviceconf.go 904d168f18 fix golint issues in core/service (#512) %!s(int64=3) %!d(string=hai) anos
serviceconf_test.go 80e1c85b50 add more tests for service (#463) %!s(int64=3) %!d(string=hai) anos
servicegroup.go acdaee0fb6 fix golint issues in core/stat (#515) %!s(int64=3) %!d(string=hai) anos
servicegroup_test.go acdaee0fb6 fix golint issues in core/stat (#515) %!s(int64=3) %!d(string=hai) anos