[tm-monitor] rename docker image to just `tendermint/monitor`

tm-monitor/Makefile

@@ -38,7 +38,7 @@ dist: build-all
 build-docker:
 	rm -f ./tm-monitor
 	docker run -it --rm -v "$(PWD):/go/src/app" -w "/go/src/app" -e "CGO_ENABLED=0" golang:alpine go build -ldflags "-X main.version=${VERSION}" -o tm-monitor
-	docker build -t "tendermint/tm-monitor" .
+	docker build -t "tendermint/monitor" .
 
 clean:
 	rm -f ./tm-monitor.log

tm-monitor/README.md

@@ -15,7 +15,7 @@ collecting and providing various statistics to the user.
 docker run -it --rm -v "/tmp:/tendermint" tendermint/tendermint init
 docker run -it --rm -v "/tmp:/tendermint" -p "46657:46657" --name=tm tendermint/tendermint
 
-docker run -it --rm --link=tm tendermint/tm-monitor tm:46657
+docker run -it --rm --link=tm tendermint/monitor tm:46657
 ```
 
 ## QuickStart using binaries