Added Location column in image list display

lib/azure/image.rb

@@ -51,12 +51,13 @@ end
 class Azure
   class Image
     attr_accessor :category, :label
-    attr_accessor :name, :os, :eula, :description
+    attr_accessor :name, :os, :eula, :description, :location
     def initialize(image)
       @category = image.at_css('Category').content
       @label = image.at_css('Label').content
       @name = image.at_css('Name').content
       @os = image.at_css('OS').content
+      @location = image.at_css('Location').content.gsub(";", ", ")
       @eula = image.at_css('Eula').content if image.at_css('Eula')
       @description = image.at_css('Description').content if image.at_css('Description')
     end

lib/azure/rest.rb

@@ -72,7 +72,7 @@ module AzureAPI
       elsif verb == 'delete'
         request = Net::HTTP::Delete.new(uri.request_uri)
       end
-      request["x-ms-version"] = "2012-03-01"
+      request["x-ms-version"] = "2013-03-01"
       request["content-type"] = "application/xml"
       request["accept"] = "application/xml"
       request["accept-charset"] = "utf-8"

lib/chef/knife/azure_image_list.rb

@@ -44,7 +44,7 @@ class Chef
 
         validate!
 
-        image_labels = !locate_config_value(:show_all_fields) ? ['Name', 'OS'] : ['Name', 'Category', 'Label', 'OS'] 
+        image_labels = !locate_config_value(:show_all_fields) ? ['Name', 'OS', 'Location'] : ['Name', 'Category', 'Label', 'OS', 'Location'] 
         image_list =  image_labels.map {|label| ui.color(label, :bold)}          
         items = connection.images.all
 
@@ -54,7 +54,7 @@ class Chef
         end
 
         puts "\n"
-        puts h.list(image_list, :uneven_columns_across, !locate_config_value(:show_all_fields) ? 2 : 4) 
+        puts h.list(image_list, :uneven_columns_across, !locate_config_value(:show_all_fields) ? 3 : 5) 
 
       end
     end