Openrefine: Rename & update to latest dev release

Casks/openrefine-dev.rb

@@ -0,0 +1,11 @@
+cask :v1 => 'openrefine-dev' do
+  version '2.6-rc1'
+  sha256 'e2351adc641b8d828ee9cc4c55f595b2cc65b83b29502bb671f55039c0536f33'
+
+  url "https://github.com/OpenRefine/OpenRefine/releases/download/v#{version}/openrefine-mac-#{version}.dmg"
+  name 'OpenRefine'
+  homepage 'http://openrefine.org/'
+  license :bsd
+
+  app 'OpenRefine.app'
+end

Casks/openrefine.rb

@@ -1,10 +0,0 @@
-cask :v1 => 'openrefine' do
-  version '2.6-beta.1'
-  sha256 '061c8efd8d6db08891bc1eac7226ce9ab8fd3934dce4f8f542356b8c2e8c06ca'
-
-  url "https://github.com/OpenRefine/OpenRefine/releases/download/#{version}/openrefine-mac-#{version}.dmg"
-  homepage 'http://openrefine.org/'
-  license :oss
-
-  app 'OpenRefine.app'
-end