Preparing for v1.3

git-svn-id: https://plugins.svn.wordpress.org/prezi-embedder/trunk@885438 b8457f37-d9ea-0310-8a92-e5e31aec5664
Preparing for v1.3
* Adding POT

git-svn-id: https://plugins.svn.wordpress.org/prezi-embedder/trunk@885439 b8457f37-d9ea-0310-8a92-e5e31aec5664