Clarify CSV Data Set restrictions; give as example for HTTP Auth Manager
Clarify CSV Data Set restrictions; give as example for HTTP Auth Manager

git-svn-id: https://svn.apache.org/repos/asf/jakarta/jmeter/branches/rel-2-2@573298 13f79535-47bb-0310-9956-ffa450edef68

Former-commit-id: 1dbc575281009eab6007cc8a4b55097a3f30f248
apache/jmeter,etnetera/jmeter,benbenw/jmeter,benbenw/jmeter,benbenw/jmeter,etnetera/jmeter,etnetera/jmeter,etnetera/jmeter,apache/jmeter,apache/jmeter,ham1/jmeter,ham1/jmeter,apache/jmeter,apache/jmeter,ham1/jmeter,benbenw/jmeter,ham1/jmeter,etnetera/jmeter,ham1/jmeter