Use MVN wrapper in Makefile

This avoids having to install Maven manually & allows using a fixed
version of Maven.

Author: gerhard

Makefile

@@ -1,30 +1,30 @@
 ### CONFIG ###
 #
-export PATH 	:=$(CURDIR)/scripts:$(PATH)
+export PATH 	:=$(CURDIR):$(CURDIR)/scripts:$(PATH)
 
 ### TARGETS ###
 #
 default: run
 
 binary: clean ## Build the binary distribution
-	@mvn package -P assemblies -Dgpg.skip=true
+	@mvnw package -P assemblies -Dgpg.skip=true
 
 help:
 	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'
 
 clean: 	## Clean all build artefacts
-	@mvn clean
+	@mvnw clean
 
 compile: ## Compile the source code
-	@mvn compile
+	@mvnw compile
 
 jar: clean ## Build the JAR file
-	@mvn package
+	@mvnw package
 
 run: compile ## Run PerfTest, pass exec arguments via ARGS
-	@mvn exec:java -Dexec.mainClass="com.rabbitmq.perf.PerfTest" -Dexec.args="${ARGS}"
+	@mvnw exec:java -Dexec.mainClass="com.rabbitmq.perf.PerfTest" -Dexec.args="${ARGS}"
 
 signed-binary: clean ## Build a GPG signed binary
-	@mvn package -P assemblies
+	@mvnw package -P assemblies
 
 .PHONY: help run