small technicality cleanups

bin/fog

@@ -2,20 +2,20 @@
 require File.join(File.dirname(__FILE__), '..', 'lib', 'fog')
 require 'irb'
 require 'yaml'
-require 'fog/credentials'
-require 'fog/bin'
+require File.join('fog', 'credentials')
+require File.join('fog', 'bin')
 
 Fog.credential = (ARGV.first && :"#{ARGV.first}") || :default
 unless Fog.credentials
   exit
 end
 
-require 'fog/aws/bin'
-require 'fog/local/bin'
-require 'fog/rackspace/bin'
-require 'fog/slicehost/bin'
-require 'fog/terremark/bin'
-require 'fog/vcloud/bin'
+require File.join('fog', 'aws', 'bin')
+require File.join('fog', 'local', 'bin')
+require File.join('fog', 'rackspace', 'bin')
+require File.join('fog', 'slicehost', 'bin')
+require File.join('fog', 'terremark', 'bin')
+require File.join('fog', 'vcloud', 'bin')
 
 if ARGV.length > 1
   print(instance_eval(ARGV[1..-1].join(' ')).to_json)

lib/fog/vcloud.rb

@@ -278,7 +278,7 @@ module Fog
         end
 
         if mod = credentials[:module]
-          instance.extend eval "#{mod}"
+          instance.extend eval("#{mod}")
         end
 
         instance

lib/fog/vcloud/bin.rb

@@ -25,7 +25,7 @@ module Vcloud
       false
     end
 
-    if Vcloud.services.all? { |service| Vcloud.complete_service_options?(service) }
+    if Vcloud.services.any? && Vcloud.services.all? { |service| Vcloud.complete_service_options?(service) }
 
       def initialized?
         true