Grammar

git-svn-id: https://svn.apache.org/repos/asf/jmeter/trunk@1509897 13f79535-47bb-0310-9956-ffa450edef68
Add some templates from user's manual

git-svn-id: https://svn.apache.org/repos/asf/jmeter/trunk@1509898 13f79535-47bb-0310-9956-ffa450edef68