removed unused variable that was causing PHP notice

git-svn-id: https://plugins.svn.wordpress.org/seamless-donations/trunk@864427 b8457f37-d9ea-0310-8a92-e5e31aec5664
removed unused variable that was causing PHP warning

git-svn-id: https://plugins.svn.wordpress.org/seamless-donations/trunk@864428 b8457f37-d9ea-0310-8a92-e5e31aec5664
a few strings were not marked for translation

git-svn-id: https://plugins.svn.wordpress.org/seamless-donations/trunk@867624 b8457f37-d9ea-0310-8a92-e5e31aec5664
tagging version 3.0.3

git-svn-id: https://plugins.svn.wordpress.org/seamless-donations/trunk@867627 b8457f37-d9ea-0310-8a92-e5e31aec5664