refactor twitter service to handle cards (fixes #3031)

Gemfile.lock

@@ -64,7 +64,7 @@ GEM
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    addressable (2.5.0)
+    addressable (2.5.1)
       public_suffix (~> 2.0, >= 2.0.2)
     arel (6.0.4)
     awesome_print (1.7.0)
@@ -127,7 +127,7 @@ GEM
     factory_girl (4.8.0)
       activesupport (>= 3.0.0)
     fakeweb (1.3.0)
-    faraday (0.9.2)
+    faraday (0.10.1)
       multipart-post (>= 1.2, < 3)
     ffaker (2.5.0)
     ffi (1.9.10-x64-mingw32)
@@ -155,10 +155,14 @@ GEM
       signet (~> 0.7)
     highline (1.7.8)
     hike (1.2.3)
-    http (0.6.4)
+    http (2.2.2)
+      addressable (~> 2.3)
+      http-cookie (~> 1.0)
+      http-form_data (~> 1.0.1)
       http_parser.rb (~> 0.6.0)
     http-cookie (1.0.2)
       domain_name (~> 0.5)
+    http-form_data (1.0.2)
     http_parser.rb (0.6.0)
     httpclient (2.8.0)
     hurley (0.2)
@@ -200,7 +204,7 @@ GEM
     multi_json (1.12.1)
     multi_xml (0.6.0)
     multipart-post (2.0.0)
-    naught (1.0.0)
+    naught (1.1.0)
     net-http-digest_auth (1.4.1)
     net-http-persistent (2.9.4)
     net-scp (1.2.1)
@@ -341,17 +345,16 @@ GEM
     tilt (1.4.1)
     timecop (0.8.1)
     tins (1.6.0)
-    twitter (5.14.0)
-      addressable (~> 2.3)
+    twitter (6.0.0)
+      addressable (~> 2.5)
       buftok (~> 0.2.0)
-      equalizer (~> 0.0.9)
-      faraday (~> 0.9.0)
-      http (~> 0.6.0)
+      equalizer (= 0.0.11)
+      faraday (~> 0.10.0)
+      http (~> 2.1)
       http_parser.rb (~> 0.6.0)
-      json (~> 1.8)
-      memoizable (~> 0.4.0)
-      naught (~> 1.0)
-      simple_oauth (~> 0.3.0)
+      memoizable (~> 0.4.2)
+      naught (~> 1.1)
+      simple_oauth (~> 0.3.1)
     tzinfo (1.2.2)
       thread_safe (~> 0.1)
     tzinfo-data (1.2015.6)