Makefile: Added build for other binaries in BEE (#436)

* Makefile: added make binary for bee-file,bee-split and bee-join

* Makefile: change binary- to bee-

* Makefile: merge bee,join,split,file into make binaries

Makefile

@@ -18,6 +18,12 @@ binary: dist FORCE
 	$(GO) version
 	$(GO) build -trimpath -ldflags "$(LDFLAGS)" -o dist/bee ./cmd/bee
 
+.PHONY: binaries
+binaries: binary
+	$(GO) build -trimpath -ldflags "$(LDFLAGS)" -o dist/bee-file ./cmd/bee-file
+	$(GO) build -trimpath -ldflags "$(LDFLAGS)" -o dist/bee-join ./cmd/bee-join
+	$(GO) build -trimpath -ldflags "$(LDFLAGS)" -o dist/bee-split ./cmd/bee-split
+
 dist:
 	mkdir $@