add Makefile for labelmap filter-mutations utility

Makefile

@@ -60,15 +60,17 @@ dvid-transfer: bin/dvid-transfer
 analyze-block: bin/analyze-block
 analyze-index: bin/analyze-index
 body-blocks: bin/body-blocks
+filter-mutations: bin/filter-mutations
 
 # Install: Copy all executables to the CONDA_PREFIX
-install: dvid dvid-backup dvid-transfer analyze-block analyze-index body-blocks
+install: dvid dvid-backup dvid-transfer analyze-block analyze-index body-blocks filter-mutations
 	cp bin/dvid ${CONDA_PREFIX}/bin/dvid
 	cp bin/dvid-backup ${CONDA_PREFIX}/bin/dvid-backup
 	cp bin/dvid-transfer ${CONDA_PREFIX}/bin/dvid-transfer
 	cp bin/analyze-block ${CONDA_PREFIX}/bin/analyze-block
 	cp bin/analyze-index ${CONDA_PREFIX}/bin/analyze-index
 	cp bin/body-blocks ${CONDA_PREFIX}/bin/body-blocks
+	cp bin/filter-mutations ${CONDA_PREFIX}/bin/filter-mutations
 
 # Compile a helper program that generates version.go
 bin/dvid-gen-version: cmd/gen-version/main.go
@@ -119,6 +121,9 @@ bin/analyze-index: $(shell find cmd/labelmap-utils/analyze-index -name "*.go")
 bin/body-blocks: $(shell find cmd/labelmap-utils/body-blocks -name "*.go")
 	go build -o bin/body-blocks -v -tags "${DVID_TAGS}" cmd/labelmap-utils/body-blocks/*.go
 
+bin/filter-mutations: $(shell find cmd/labelmap-utils/filter-mutations -name "*.go")
+	go build -o bin/filter-mutations -v -tags "${DVID_TAGS}" cmd/labelmap-utils/filter-mutations/*.go
+
 ##
 ## TEST
 ##