Update to version 1.6.5

git-svn-id: https://plugins.svn.wordpress.org/rotatingtweets/trunk@817890 b8457f37-d9ea-0310-8a92-e5e31aec5664
Corrected Italicisation

git-svn-id: https://plugins.svn.wordpress.org/rotatingtweets/trunk@817893 b8457f37-d9ea-0310-8a92-e5e31aec5664