Display Posts Widget: update textdomain to use Jetpack

git-svn-id: https://plugins.svn.wordpress.org/jetpack/trunk@783991 b8457f37-d9ea-0310-8a92-e5e31aec5664
Publicize Jetpack: Add background token tests for connected publicize services and display problems on settings sharing and add new post.  Also added two column sharing ui. See http://wehavetheanswers.wordpress.com/2013/10/07/just-a-heads-up/


git-svn-id: https://plugins.svn.wordpress.org/jetpack/trunk@784933 b8457f37-d9ea-0310-8a92-e5e31aec5664