Update facebook login gem

Gemfile.lock

@@ -98,7 +98,7 @@ GEM
     exifr (1.2.4)
     fabrication (2.9.8)
     fakeweb (1.3.0)
-    faraday (0.9.2)
+    faraday (0.11.0)
       multipart-post (>= 1.2, < 3)
     fast_blank (1.0.0)
     fast_xor (1.1.3)
@@ -114,7 +114,7 @@ GEM
     globalid (0.3.7)
       activesupport (>= 4.1.0)
     guess_html_encoding (0.0.11)
-    hashie (3.4.6)
+    hashie (3.5.5)
     highline (1.7.8)
     hiredis (0.6.1)
     htmlentities (4.3.4)
@@ -136,7 +136,7 @@ GEM
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
     json (1.8.6)
-    jwt (1.5.2)
+    jwt (1.5.6)
     kgio (2.10.0)
     libv8 (5.3.332.38.5)
     listen (0.7.3)
@@ -162,7 +162,7 @@ GEM
     moneta (0.8.1)
     msgpack (1.0.2)
     multi_json (1.12.1)
-    multi_xml (0.5.5)
+    multi_xml (0.6.0)
     multipart-post (2.0.0)
     mustache (1.0.3)
     netrc (0.11.0)
@@ -171,17 +171,17 @@ GEM
     nokogumbo (1.4.10)
       nokogiri
     oauth (0.5.1)
-    oauth2 (1.0.0)
-      faraday (>= 0.8, < 0.10)
+    oauth2 (1.3.1)
+      faraday (>= 0.8, < 0.12)
       jwt (~> 1.0)
       multi_json (~> 1.3)
       multi_xml (~> 0.5)
-      rack (~> 1.2)
+      rack (>= 1.2, < 3)
     oj (2.17.5)
-    omniauth (1.3.1)
-      hashie (>= 1.2, < 4)
-      rack (>= 1.0, < 3)
-    omniauth-facebook (3.0.0)
+    omniauth (1.6.1)
+      hashie (>= 3.4.6, < 3.6.0)
+      rack (>= 1.6.2, < 3)
+    omniauth-facebook (4.0.0)
       omniauth-oauth2 (~> 1.2)
     omniauth-github-discourse (1.1.2)
       omniauth (~> 1.0)
@@ -197,7 +197,7 @@ GEM
     omniauth-oauth (1.1.0)
       oauth
       omniauth (~> 1.0)
-    omniauth-oauth2 (1.3.1)
+    omniauth-oauth2 (1.4.0)
       oauth2 (~> 1.0)
       omniauth (~> 1.2)
     omniauth-openid (1.0.1)