Readme: add keywords for new modules


git-svn-id: http://plugins.svn.wordpress.org/jetpack/trunk@818124 b8457f37-d9ea-0310-8a92-e5e31aec5664
Open Graph: add Facebook Featured Image & OG Meta Tags to the list of conflicting plugins, props ryancowles
Fixes #2072


git-svn-id: http://plugins.svn.wordpress.org/jetpack/trunk@818216 b8457f37-d9ea-0310-8a92-e5e31aec5664
Jetpack

Tag 2.7 beta3 (last beta)


git-svn-id: http://plugins.svn.wordpress.org/jetpack/trunk@818452 b8457f37-d9ea-0310-8a92-e5e31aec5664
Merge branch 'svnsync'