fix federation-gem for ruby 2.0

Gemfile

@@ -12,7 +12,7 @@ gem "unicorn", "4.9.0", require: false
 
 # Federation
 
-gem "diaspora_federation-rails", "0.0.2"
+gem "diaspora_federation-rails", "0.0.3"
 
 # API and JSON
 

Gemfile.lock

@@ -153,10 +153,10 @@ GEM
       eventmachine (>= 1.0.5, < 1.1)
       http_parser.rb (~> 0.6)
       nokogiri (~> 1.6)
-    diaspora_federation (0.0.2)
+    diaspora_federation (0.0.3)
       nokogiri (~> 1.6, >= 1.6.6)
-    diaspora_federation-rails (0.0.2)
-      diaspora_federation (= 0.0.2)
+    diaspora_federation-rails (0.0.3)
+      diaspora_federation (= 0.0.3)
       rails (~> 4.2)
     diff-lcs (1.2.5)
     docile (1.1.5)
@@ -764,7 +764,7 @@ DEPENDENCIES
   devise_lastseenable (= 0.0.4)
   diaspora-vines (~> 0.1.27)
   entypo-rails (= 2.2.3)
-  diaspora_federation-rails (= 0.0.2)
+  diaspora_federation-rails (= 0.0.3)
   eye (= 0.7.pre)
   facebox-rails (= 0.2.0)
   factory_girl_rails (= 4.5.0)