Branched and tagged version 2.2.0

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I do not understand

git-svn-id: https://plugins.svn.wordpress.org/wp-download-codes/branches/2.2.0@743994 b8457f37-d9ea-0310-8a92-e5e31aec5664
Corrected README.txt

git-svn-id: https://plugins.svn.wordpress.org/wp-download-codes/branches/2.2.0@743997 b8457f37-d9ea-0310-8a92-e5e31aec5664
Created version 2.3.0

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