Port halo/spree_digital to Spree version 2.0.0. Move factories to the correct place (factories.rb) so it can be used/overriden by other modules.

Versionfile

@@ -1,5 +1,11 @@
-"0.7.x" => { :ref => "eddaea63959586d123007cbca3be5bf9c5edb1a7" }
-"1.0.x" => { :ref => "a8c27750ef1cf9d0ad1a2a6ebe33307da900a5c1" }
-"1.1.x" => { :branch => "1-1-stable" }
-"1.2.x" => { :ref => "9360c635039aaeeee18026b830aa96cc7587cd0d" }
-"1.3.x" => { :branch => "master" }
+# This file is used to designate compatibilty with different versions of Spree
+# Please see http://spreecommerce.com/documentation/extensions.html#versionfile for details
+
+# Examples
+#
+# '1.2.x'  => { :branch => 'master' }
+# '1.1.x'  => { :branch => '1-1-stable' }
+# '1.0.x'  => { :branch => '1-0-stable' }
+# '0.70.x' => { :branch => '0-70-stable' }
+# '0.40.x' => { :tag => 'v1.0.0', :version => '1.0.0' }
+