Document how to create SVN tag
Document how to create SVN tag

git-svn-id: https://svn.apache.org/repos/asf/jakarta/jmeter/trunk@1154738 13f79535-47bb-0310-9956-ffa450edef68

Former-commit-id: c0e4b0c0202bb584ab16c7aa58461f0fd0da3a00
benbenw/jmeter,apache/jmeter,apache/jmeter,benbenw/jmeter,apache/jmeter,ham1/jmeter,ham1/jmeter,benbenw/jmeter,ham1/jmeter,apache/jmeter,ham1/jmeter,etnetera/jmeter,ham1/jmeter,etnetera/jmeter,etnetera/jmeter,etnetera/jmeter,apache/jmeter,etnetera/jmeter,benbenw/jmeter