Merge pull request #2574 from maestrodev/travis-fix

Update rubygems to fix travis in ruby 1.8

.travis.yml

@@ -50,3 +50,6 @@ notifications:
     on_success: always
     on_failure: always
     use_notice: false
+
+before_install:
+  - gem update --system #  todo: workaround for https://github.com/rubygems/rubygems/pull/763

lib/fog/digitalocean/requests/compute/destroy_server.rb

@@ -12,7 +12,7 @@ module Fog
             :method   => 'GET',
             :path     => "droplets/#{id}/destroy",
             # We scrub data so future users can't read our disks.
-            :query    => {:scrub_data => '1' },
+            :query    => {:scrub_data => '1' }
           )
         end
 

lib/fog/google/requests/compute/set_metadata.rb

@@ -25,7 +25,7 @@ module Fog
           result = self.build_result(
             api_method,
             parameters,
-            body_object=body_object,
+            body_object=body_object
           )
           response = self.build_response(result)
         end