Bump fog-aws

Gemfile

@@ -78,7 +78,7 @@ gem "activerecord-import", "0.27.0"
 # File uploading
 
 gem "carrierwave", "1.2.3"
-gem "fog-aws",     "2.0.1"
+gem "fog-aws",     "3.3.0"
 gem "mini_magick", "4.8.0"
 
 # GUID generation

Gemfile.lock

@@ -222,17 +222,18 @@ GEM
       activerecord (>= 2)
       activesupport (>= 2)
       hashdiff
-    fog-aws (2.0.1)
-      fog-core (~> 1.38)
-      fog-json (~> 1.0)
+    fog-aws (3.3.0)
+      fog-core (~> 2.1)
+      fog-json (~> 1.1)
       fog-xml (~> 0.1)
       ipaddress (~> 0.8)
-    fog-core (1.45.0)
+    fog-core (2.1.2)
       builder
       excon (~> 0.58)
       formatador (~> 0.2)
-    fog-json (1.0.2)
-      fog-core (~> 1.0)
+      mime-types
+    fog-json (1.2.0)
+      fog-core
       multi_json (~> 1.10)
     fog-xml (0.1.3)
       fog-core
@@ -792,7 +793,7 @@ DEPENDENCIES
   faraday-cookie_jar (= 0.0.6)
   faraday_middleware (= 0.12.2)
   fixture_builder (= 0.5.2.rc3)
-  fog-aws (= 2.0.1)
+  fog-aws (= 3.3.0)
   fuubar (= 2.3.2)
   gon (= 6.2.0)
   guard (= 2.14.2)