bundle update

Gemfile.lock

@@ -112,7 +112,7 @@ GEM
     font-awesome-rails (4.4.0.0)
       railties (>= 3.2, < 5.0)
     gemoji (2.1.0)
-    github-linguist (4.5.15)
+    github-linguist (4.6.0)
       charlock_holmes (~> 0.7.3)
       escape_utils (~> 1.1.0)
       mime-types (>= 1.19)
@@ -150,14 +150,14 @@ GEM
     kaminari (0.16.3)
       actionpack (>= 3.0.0)
       activesupport (>= 3.0.0)
-    kgio (2.9.3)
+    kgio (2.10.0)
     loofah (2.0.3)
       nokogiri (>= 1.5.9)
     mail (2.6.3)
       mime-types (>= 1.16, < 3)
     mem (0.1.5)
     method_source (0.8.2)
-    mime-types (2.6.1)
+    mime-types (2.6.2)
     mini_portile (0.6.2)
     minitest (5.8.0)
     multi_json (1.11.2)
@@ -290,13 +290,13 @@ GEM
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.0)
     slop (3.6.0)
-    spring (1.3.6)
+    spring (1.4.0)
     sprockets (2.11.3)
       hike (~> 1.2)
       multi_json (~> 1.0)
       rack (~> 1.0)
       tilt (~> 1.1, != 1.3.0)
-    sprockets-rails (2.3.2)
+    sprockets-rails (2.3.3)
       actionpack (>= 3.0)
       activesupport (>= 3.0)
       sprockets (>= 2.8, < 4.0)
@@ -320,7 +320,7 @@ GEM
       kgio (~> 2.6)
       rack
       raindrops (~> 0.7)
-    username_not_reserved_validator (1.0.2)
+    username_not_reserved_validator (1.0.3)
       activemodel
     warden (1.2.3)
       rack (>= 1.0)