Moved POT file to lang location (thanks Dan)

git-svn-id: https://plugins.svn.wordpress.org/mycred/trunk@763544 b8457f37-d9ea-0310-8a92-e5e31aec5664
Template tag in add-on header translations does not work. Replaced with "points". (thanks Dan)

git-svn-id: https://plugins.svn.wordpress.org/mycred/trunk@763547 b8457f37-d9ea-0310-8a92-e5e31aec5664