Update rails to version 5.2.1

Gemfile.lock

@@ -1,41 +1,45 @@
 GEM
   remote: http://rubygems.org/
   specs:
-    actioncable (5.1.5)
+    actioncable (5.2.1)
-      actionpack (= 5.1.5)
+      actionpack (= 5.2.1)
       nio4r (~> 2.0)
-      websocket-driver (~> 0.6.1)
+      websocket-driver (>= 0.6.1)
-    actionmailer (5.1.5)
+    actionmailer (5.2.1)
-      actionpack (= 5.1.5)
+      actionpack (= 5.2.1)
-      actionview (= 5.1.5)
+      actionview (= 5.2.1)
-      activejob (= 5.1.5)
+      activejob (= 5.2.1)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (5.1.5)
+    actionpack (5.2.1)
-      actionview (= 5.1.5)
+      actionview (= 5.2.1)
-      activesupport (= 5.1.5)
+      activesupport (= 5.2.1)
       rack (~> 2.0)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (5.1.5)
+    actionview (5.2.1)
-      activesupport (= 5.1.5)
+      activesupport (= 5.2.1)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    activejob (5.1.5)
+    activejob (5.2.1)
-      activesupport (= 5.1.5)
+      activesupport (= 5.2.1)
       globalid (>= 0.3.6)
-    activemodel (5.1.5)
+    activemodel (5.2.1)
-      activesupport (= 5.1.5)
+      activesupport (= 5.2.1)
-    activerecord (5.1.5)
+    activerecord (5.2.1)
-      activemodel (= 5.1.5)
+      activemodel (= 5.2.1)
-      activesupport (= 5.1.5)
+      activesupport (= 5.2.1)
-      arel (~> 8.0)
+      arel (>= 9.0)
-    activesupport (5.1.5)
+    activestorage (5.2.1)
+      actionpack (= 5.2.1)
+      activerecord (= 5.2.1)
+      marcel (~> 0.3.1)
+    activesupport (5.2.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (~> 0.7)
+      i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
     addressable (2.5.2)
@@ -53,7 +57,7 @@ GEM
       selectize-rails (~> 0.6)
     administrate-field-image (1.1.0)
       administrate (>= 0.2.0.rc1)
-    arel (8.0.0)
+    arel (9.0.0)
     ast (2.4.0)
     autoprefixer-rails (9.1.4)
       execjs
@@ -142,7 +146,7 @@ GEM
     formatador (0.2.5)
     globalid (0.4.1)
       activesupport (>= 4.2.0)
-    i18n (0.9.5)
+    i18n (1.1.0)
       concurrent-ruby (~> 1.0)
     ipaddress (0.8.3)
     jaro_winkler (1.5.1)
@@ -174,17 +178,20 @@ GEM
       nokogiri (>= 1.5.9)
     mail (2.7.0)
       mini_mime (>= 0.1.1)
+    marcel (0.3.3)
+      mimemagic (~> 0.3.2)
     method_source (0.9.0)
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_mime (1.0.0)
+    mimemagic (0.3.2)
+    mini_mime (1.0.1)
     mini_portile2 (2.3.0)
     minitest (5.11.3)
     momentjs-rails (2.20.1)
       railties (>= 3.1)
     multi_json (1.13.1)
-    nio4r (2.2.0)
+    nio4r (2.3.1)
     nokogiri (1.8.4)
       mini_portile2 (~> 2.3.0)
     oath (1.1.0)
@@ -212,17 +219,18 @@ GEM
     rack (2.0.5)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
-    rails (5.1.5)
+    rails (5.2.1)
-      actioncable (= 5.1.5)
+      actioncable (= 5.2.1)
-      actionmailer (= 5.1.5)
+      actionmailer (= 5.2.1)
-      actionpack (= 5.1.5)
+      actionpack (= 5.2.1)
-      actionview (= 5.1.5)
+      actionview (= 5.2.1)
-      activejob (= 5.1.5)
+      activejob (= 5.2.1)
-      activemodel (= 5.1.5)
+      activemodel (= 5.2.1)
-      activerecord (= 5.1.5)
+      activerecord (= 5.2.1)
-      activesupport (= 5.1.5)
+      activestorage (= 5.2.1)
+      activesupport (= 5.2.1)
       bundler (>= 1.3.0)
-      railties (= 5.1.5)
+      railties (= 5.2.1)
       sprockets-rails (>= 2.0.0)
     rails-controller-testing (1.0.2)
       actionpack (~> 5.x, >= 5.0.1)
@@ -238,12 +246,12 @@ GEM
       rails_stdout_logging
     rails_serve_static_assets (0.0.5)
     rails_stdout_logging (0.0.5)
-    railties (5.1.5)
+    railties (5.2.1)
-      actionpack (= 5.1.5)
+      actionpack (= 5.2.1)
-      activesupport (= 5.1.5)
+      activesupport (= 5.2.1)
       method_source
       rake (>= 0.8.7)
-      thor (>= 0.18.1, < 2.0)
+      thor (>= 0.19.0, < 2.0)
     rainbow (3.0.0)
     rake (12.3.1)
     rb-fsevent (0.10.3)
@@ -325,7 +333,7 @@ GEM
     unicode-display_width (1.4.0)
     warden (1.2.7)
       rack (>= 1.0)
-    websocket-driver (0.6.5)
+    websocket-driver (0.7.0)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.3)
     xpath (3.1.0)