"2.2.x" => { :branch => "2-2-stable" }
"2.1.x" => { :branch => "2-1-stable" }
"2.0.x" => { :branch => "2-0-stable" }
"1.3.x" => { :branch => "1-3-stable" }
"1.2.x" => { :branch => "1-2-stable" }
"1.1.x" => { :branch => "1-1-stable" }
"1.0.x" => { :branch => "1-0-stable" }