fix: version command updated

Author: Sam Harrison

Makefile

@@ -1,6 +1,6 @@
 .PHONY: install test test-integration clean
 
-VERSION := $(shell mvn help:evaluate -Dexpression=project.version | grep -e '^[^\[]')
+VERSION := $(shell mvn help:evaluate -Dexpression=project.version --batch-mode | grep -e '^[^\[]')
 install:
 	@java -version || (echo "Java is not installed, please install Java >= 7"; exit 1);
 	mvn clean install -DskipTests=true -Dgpg.skip -B