Bump versions in README

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@4576 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

README

@@ -65,8 +65,8 @@ Mailing List and Bug Reports
 
 Current Status
 
-	GNU nano has reached its third stable milestone, 2.0.x.
-	Development of new features continues in the 2.1.x branch, while
-	2.0.x versions are dedicated to bug-fixing and polishing.
+	GNU nano has reached its fourth stable milestone, 2.2.x.
+	Development of new features continues in the 2.3.x branch, while
+	2.2.x versions are dedicated to bug-fixing and polishing.
 
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