diff --git a/Gemfile.lock b/Gemfile.lock
index c6dbb6ad..7fe4fd50 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,25 +2,25 @@ GEM
   remote: https://rubygems.org/
   remote: https://rails-assets.org/
   specs:
-    actioncable (5.1.5)
-      actionpack (= 5.1.5)
+    actioncable (5.1.6)
+      actionpack (= 5.1.6)
       nio4r (~> 2.0)
       websocket-driver (~> 0.6.1)
-    actionmailer (5.1.5)
-      actionpack (= 5.1.5)
-      actionview (= 5.1.5)
-      activejob (= 5.1.5)
+    actionmailer (5.1.6)
+      actionpack (= 5.1.6)
+      actionview (= 5.1.6)
+      activejob (= 5.1.6)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (5.1.5)
-      actionview (= 5.1.5)
-      activesupport (= 5.1.5)
+    actionpack (5.1.6)
+      actionview (= 5.1.6)
+      activesupport (= 5.1.6)
       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)
-      activesupport (= 5.1.5)
+    actionview (5.1.6)
+      activesupport (= 5.1.6)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
@@ -39,18 +39,18 @@ GEM
       ransack (~> 1.3)
       sass (~> 3.1)
       sprockets (< 4.1)
-    activejob (5.1.5)
-      activesupport (= 5.1.5)
+    activejob (5.1.6)
+      activesupport (= 5.1.6)
       globalid (>= 0.3.6)
-    activemodel (5.1.5)
-      activesupport (= 5.1.5)
-    activerecord (5.1.5)
-      activemodel (= 5.1.5)
-      activesupport (= 5.1.5)
+    activemodel (5.1.6)
+      activesupport (= 5.1.6)
+    activerecord (5.1.6)
+      activemodel (= 5.1.6)
+      activesupport (= 5.1.6)
       arel (~> 8.0)
-    activesupport (5.1.5)
+    activesupport (5.1.6)
       concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (~> 0.7)
+      i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
     acts-as-taggable-on (5.0.0)
@@ -63,13 +63,13 @@ GEM
     ast (2.4.0)
     bcrypt (3.1.11)
     bindex (0.5.0)
-    brakeman (4.2.0)
+    brakeman (4.2.1)
     buftok (0.2.0)
     builder (3.2.3)
     bundler-audit (0.6.0)
       bundler (~> 1.2)
       thor (~> 0.18)
-    byebug (10.0.0)
+    byebug (10.0.2)
     capybara (2.18.0)
       addressable
       mini_mime (>= 0.1.3)
@@ -111,9 +111,9 @@ GEM
     eventmachine (1.2.5)
     execjs (2.7.0)
     ffi (1.9.23)
-    flag-icons-rails (2.5.0)
+    flag-icons-rails (3.1.0)
       sass (~> 3.2)
-    font-awesome-sass (5.0.6.2)
+    font-awesome-sass (5.0.9)
       sass (>= 3.2)
     formatador (0.2.5)
     formtastic (3.1.5)
@@ -191,7 +191,7 @@ GEM
     http-form_data (2.1.0)
     http_accept_language (2.1.1)
     http_parser.rb (0.6.0)
-    i18n (0.9.5)
+    i18n (1.0.0)
       concurrent-ruby (~> 1.0)
     i18n-active_record (0.2.2)
       i18n (>= 0.5.0)
@@ -228,15 +228,15 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.2.0)
+    loofah (2.2.2)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
-    lumberjack (1.0.12)
+    lumberjack (1.0.13)
     mail (2.7.0)
       mini_mime (>= 0.1.1)
     memoizable (0.4.2)
       thread_safe (~> 0.3, >= 0.3.1)
-    meta-tags (2.8.0)
+    meta-tags (2.9.0)
       actionpack (>= 3.2.0, < 5.3)
     method_source (0.9.0)
     mini_mime (1.0.0)
@@ -245,7 +245,7 @@ GEM
     modernizr-rails (2.7.1)
     multi_json (1.13.1)
     multipart-post (2.0.0)
-    mysql2 (0.4.10)
+    mysql2 (0.5.0)
     naught (1.1.0)
     nenv (0.3.0)
     nio4r (2.3.0)
@@ -254,11 +254,11 @@ GEM
       nenv (~> 0.1)
       shellany (~> 0.0)
     orm_adapter (0.5.0)
-    paper_trail (8.1.2)
-      activerecord (>= 4.2, < 5.2)
+    paper_trail (9.0.0)
+      activerecord (>= 4.2, < 5.3)
       request_store (~> 1.1)
     parallel (1.12.1)
-    parser (2.5.0.4)
+    parser (2.5.0.5)
       ast (~> 2.4.0)
     piwik_analytics (1.0.2)
       actionpack
@@ -275,19 +275,19 @@ GEM
     rack (2.0.4)
     rack-livereload (0.3.16)
       rack
-    rack-test (0.8.3)
+    rack-test (1.0.0)
       rack (>= 1.0, < 3)
-    rails (5.1.5)
-      actioncable (= 5.1.5)
-      actionmailer (= 5.1.5)
-      actionpack (= 5.1.5)
-      actionview (= 5.1.5)
-      activejob (= 5.1.5)
-      activemodel (= 5.1.5)
-      activerecord (= 5.1.5)
-      activesupport (= 5.1.5)
+    rails (5.1.6)
+      actioncable (= 5.1.6)
+      actionmailer (= 5.1.6)
+      actionpack (= 5.1.6)
+      actionview (= 5.1.6)
+      activejob (= 5.1.6)
+      activemodel (= 5.1.6)
+      activerecord (= 5.1.6)
+      activesupport (= 5.1.6)
       bundler (>= 1.3.0)
-      railties (= 5.1.5)
+      railties (= 5.1.6)
       sprockets-rails (>= 2.0.0)
     rails-assets-jquery-sparkline (2.1.3)
     rails-assets-leaflet (1.3.1)
@@ -300,19 +300,19 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
+    rails-html-sanitizer (1.0.4)
+      loofah (~> 2.2, >= 2.2.2)
     rails-i18n (5.1.1)
       i18n (>= 0.7, < 2)
       railties (>= 5.0, < 6)
-    railties (5.1.5)
-      actionpack (= 5.1.5)
-      activesupport (= 5.1.5)
+    railties (5.1.6)
+      actionpack (= 5.1.6)
+      activesupport (= 5.1.6)
       method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     rainbow (3.0.0)
-    rake (12.3.0)
+    rake (12.3.1)
     ransack (1.8.8)
       actionpack (>= 3.0)
       activerecord (>= 3.0)
@@ -322,14 +322,14 @@ GEM
     rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
-    rdoc (6.0.2)
+    rdoc (6.0.3)
     ref (2.0.0)
     request_store (1.4.1)
       rack (>= 1.4)
     responders (2.4.0)
       actionpack (>= 4.2.0, < 5.3)
       railties (>= 4.2.0, < 5.3)
-    rubocop (0.53.0)
+    rubocop (0.54.0)
       parallel (~> 1.10)
       parser (>= 2.5)
       powerpack (~> 0.1)
@@ -341,7 +341,7 @@ GEM
     ruby_parser (3.11.0)
       sexp_processor (~> 4.9)
     rubyzip (1.2.1)
-    sass (3.5.5)
+    sass (3.5.6)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)