Update dependencies

go.mod

@@ -12,6 +12,7 @@ require (
 	github.com/gopherjs/gopherjs v0.0.0-20190430165422-3e4dfb77656c // indirect
 	github.com/gorilla/mux v1.7.2
 	github.com/magiconair/properties v1.8.0
+	github.com/mattn/goveralls v0.0.2 // indirect
 	github.com/pkg/errors v0.8.1
 	github.com/sirupsen/logrus v1.4.2
 	github.com/smartystreets/assertions v1.0.0 // indirect
@@ -21,7 +22,6 @@ require (
 	github.com/urfave/cli v1.20.0
 	go.uber.org/zap v1.10.0
 	golang.org/x/crypto v0.0.0-20190618222545-ea8f1a30c443 // indirect
-	golang.org/x/lint v0.0.0-20190409202823-959b441ac422 // indirect
 	golang.org/x/net v0.0.0-20190619014844-b5b0513f8c1b // indirect
 	golang.org/x/sys v0.0.0-20190620070143-6f217b454f45 // indirect
 	golang.org/x/text v0.3.2 // indirect

go.sum

@@ -79,6 +79,8 @@ github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/magiconair/properties v1.8.0 h1:LLgXmsheXeRoUOBOjtwPQCWIYqM/LU1ayDtDePerRcY=
 github.com/magiconair/properties v1.8.0/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
+github.com/mattn/goveralls v0.0.2 h1:7eJB6EqsPhRVxvwEXGnqdO2sJI0PTsrWoTMXEk9/OQc=
+github.com/mattn/goveralls v0.0.2/go.mod h1:8d1ZMHsd7fW6IRPKQh46F2WRpyib5/X4FOpevwGNQEw=
 github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
 github.com/mitchellh/mapstructure v1.1.2 h1:fmNYVwqnSfB9mZU6OS2O6GsXM+wcskZDuKQzvN1EDeE=
 github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=