Document impact of commons-lang-2.6.jar removal
Document impact of commons-lang-2.6.jar removal

git-svn-id: https://svn.apache.org/repos/asf/jmeter/trunk@1502788 13f79535-47bb-0310-9956-ffa450edef68

Former-commit-id: 0055cc79ea48074b4dd30f0145e9ebb926bb765c
ham1/jmeter,ham1/jmeter,etnetera/jmeter,benbenw/jmeter,etnetera/jmeter,benbenw/jmeter,apache/jmeter,apache/jmeter,etnetera/jmeter,ham1/jmeter,apache/jmeter,ham1/jmeter,benbenw/jmeter,ham1/jmeter,apache/jmeter,apache/jmeter,etnetera/jmeter,benbenw/jmeter,etnetera/jmeter