Added twitter follow and tweet
Added twitter follow and tweet

git-svn-id: https://svn.apache.org/repos/asf/jmeter/trunk@1535840 13f79535-47bb-0310-9956-ffa450edef68

Former-commit-id: 804f317d42b369b026a9c9673dd8645adbf195db
apache/jmeter,benbenw/jmeter,ham1/jmeter,ham1/jmeter,apache/jmeter,apache/jmeter,etnetera/jmeter,ham1/jmeter,benbenw/jmeter,benbenw/jmeter,ham1/jmeter,ham1/jmeter,etnetera/jmeter,apache/jmeter,apache/jmeter,benbenw/jmeter,etnetera/jmeter,etnetera/jmeter,etnetera/jmeter