Fixed Pipes to work with Blogger

git-svn-id: https://plugins.svn.wordpress.org/wp-pipes/trunk@893481 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fixed Pipes to work with Blogger

git-svn-id: https://plugins.svn.wordpress.org/wp-pipes/trunk@893483 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fixed notice issues

git-svn-id: https://plugins.svn.wordpress.org/wp-pipes/trunk@893520 b8457f37-d9ea-0310-8a92-e5e31aec5664