Clean up Makefile targets

* move echo-source and echo-database targets so the build target is first and default
* mark echo-source and echo-database targets as .PHONY

Makefile

@@ -6,12 +6,6 @@ TEST_FLAGS ?=
 REPO_OWNER ?= $(shell cd .. && basename "$$(pwd)")
 COVERAGE_DIR ?= .coverage
 
-echo-source:
-	@echo "$(SOURCE)"
-
-echo-database:
-	@echo "$(DATABASE)"
-
 build:
 	CGO_ENABLED=0 go build -ldflags='-X main.Version=$(VERSION)' -tags '$(DATABASE) $(SOURCE)' ./cmd/migrate
 
@@ -104,6 +98,12 @@ release:
 	git tag v$(V)
 	@read -p "Press enter to confirm and push to origin ..." && git push origin v$(V)
 
+echo-source:
+	@echo "$(SOURCE)"
+
+echo-database:
+	@echo "$(DATABASE)"
+
 
 define external_deps
 	@echo '-- $(1)';  go list -f '{{join .Deps "\n"}}' $(1) | grep -v github.com/$(REPO_OWNER)/migrate | xargs go list -f '{{if not .Standard}}{{.ImportPath}}{{end}}'
@@ -113,7 +113,7 @@ endef
 
 .PHONY: build build-docker build-cli clean test-short test test-with-flags html-coverage \
         restore-import-paths rewrite-import-paths list-external-deps release \
-        docs kill-docs open-docs kill-orphaned-docker-containers
+		docs kill-docs open-docs kill-orphaned-docker-containers echo-source echo-database
 
 SHELL = /bin/sh
 RAND = $(shell echo $$RANDOM)