[aws] include port in host to sign

bumps excon to version that includes port in host by default
closes #122

fog.gemspec

@@ -43,7 +43,7 @@ Gem::Specification.new do |s|
   ## List your runtime dependencies here. Runtime dependencies are those
   ## that are needed for an end user to actually USE your code.
   s.add_dependency('builder')
-  s.add_dependency('excon', '>=0.3.3')
+  s.add_dependency('excon', '>=0.3.6')
   s.add_dependency('formatador', '>=0.0.16')
   s.add_dependency('json')
   s.add_dependency('mime-types')

lib/fog/aws.rb

@@ -58,7 +58,7 @@ module Fog
           body << "#{key}=#{CGI.escape(value.to_s).gsub(/\+/, '%20')}&"
         end
       end
-      string_to_sign = "POST\n#{options[:host]}\n#{options[:path]}\n" << body.chop
+      string_to_sign = "POST\n#{options[:host]}:#{options[:port]}\n#{options[:path]}\n" << body.chop
       signed_string = options[:hmac].sign(string_to_sign)
       body << "Signature=#{CGI.escape(Base64.encode64(signed_string).chomp!).gsub(/\+/, '%20')}"
 

lib/fog/aws/compute.rb

@@ -205,6 +205,7 @@ module Fog
               :hmac               => @hmac,
               :host               => @host,
               :path               => @path,
+              :port               => @port,
               :version            => '2010-08-31'
             }
           )

lib/fog/aws/elb.rb

@@ -82,6 +82,7 @@ module Fog
               :hmac               => @hmac,
               :host               => @host,
               :path               => @path,
+              :port               => @port,
               :version            => '2009-11-25'
             }
           )

lib/fog/aws/iam.rb

@@ -81,6 +81,7 @@ module Fog
               :hmac               => @hmac,
               :host               => @host,
               :path               => @path,
+              :port               => @port,
               :version            => '2010-05-08'
             }
           )

lib/fog/aws/simpledb.rb

@@ -140,6 +140,7 @@ module Fog
               :hmac               => @hmac,
               :host               => @host,
               :path               => @path,
+              :port               => @port,
               :version            => '2009-04-15'
             }
           )