Check for M2_HOME being set
Check for M2_HOME being set

git-svn-id: https://svn.apache.org/repos/asf/jmeter/trunk@1234803 13f79535-47bb-0310-9956-ffa450edef68

Former-commit-id: e1156882d637ee8211f7e5dd8dcfdce300ac5181
ham1/jmeter,apache/jmeter,apache/jmeter,ham1/jmeter,apache/jmeter,benbenw/jmeter,etnetera/jmeter,etnetera/jmeter,ham1/jmeter,etnetera/jmeter,ham1/jmeter,apache/jmeter,apache/jmeter,etnetera/jmeter,benbenw/jmeter,benbenw/jmeter,ham1/jmeter,etnetera/jmeter,benbenw/jmeter