Added deprecated text.

git-svn-id: https://plugins.svn.wordpress.org/meteodata/trunk@884939 b8457f37-d9ea-0310-8a92-e5e31aec5664
Forgot to update php file too >.<

git-svn-id: https://plugins.svn.wordpress.org/meteodata/trunk@884940 b8457f37-d9ea-0310-8a92-e5e31aec5664