Updated multiple gems.

Gemfile.lock

@@ -100,15 +100,15 @@ GEM
       sshkit (>= 1.6.1, != 1.7.0)
     arel (6.0.4)
     base32 (0.3.2)
-    bcrypt (3.1.11)
+    bcrypt (3.1.12)
-    better_errors (2.4.0)
+    better_errors (2.5.0)
       coderay (>= 1.0.0)
       erubi (>= 1.0.0)
       rack (>= 0.9.0)
     binding_of_caller (0.8.0)
       debug_inspector (>= 0.0.1)
     builder (3.2.3)
-    capistrano (3.10.1)
+    capistrano (3.11.0)
       airbrussh (>= 1.0.0)
       i18n
       rake (>= 10.0.0)
@@ -119,7 +119,7 @@ GEM
     capistrano-rails (1.1.8)
       capistrano (~> 3.1)
       capistrano-bundler (~> 1.1)
-    capistrano-rbenv (2.1.3)
+    capistrano-rbenv (2.1.4)
       capistrano (~> 3.1)
       sshkit (~> 1.3)
     choice (0.2.0)
@@ -132,14 +132,14 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.0.5)
-    crass (1.0.3)
+    crass (1.0.4)
     debug_inspector (0.0.3)
-    domain_name (0.5.20170404)
+    domain_name (0.5.20180417)
       unf (>= 0.0.5, < 1.0.0)
     erubi (1.7.1)
     erubis (2.7.0)
     execjs (2.7.0)
-    ffi (1.9.23)
+    ffi (1.9.25)
     globalid (0.4.1)
       activesupport (>= 4.2.0)
     gpgme (2.0.16)
@@ -149,7 +149,7 @@ GEM
       domain_name (~> 0.5)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
-    jquery-rails (4.3.1)
+    jquery-rails (4.3.3)
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
@@ -163,23 +163,23 @@ GEM
       nokogiri (>= 1.5.9)
     mail (2.7.0)
       mini_mime (>= 0.1.1)
-    mime-types (3.1)
+    mime-types (3.2.2)
       mime-types-data (~> 3.2015)
-    mime-types-data (3.2016.0521)
+    mime-types-data (3.2018.0812)
-    mini_mime (1.0.0)
+    mini_mime (1.0.1)
     mini_portile2 (2.3.0)
     minitest (5.11.3)
     multi_json (1.13.1)
-    mysql2 (0.4.10)
+    mysql2 (0.5.2)
     net-scp (1.2.1)
       net-ssh (>= 2.6.5)
-    net-ssh (4.2.0)
+    net-ssh (5.0.2)
     netrc (0.11.0)
-    nokogiri (1.8.2)
+    nokogiri (1.8.5)
       mini_portile2 (~> 2.3.0)
     nokogumbo (1.5.0)
       nokogiri
-    rack (1.6.9)
+    rack (1.6.10)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails-deprecated_sanitizer (1.0.3)
@@ -196,7 +196,7 @@ GEM
     rails-html-sanitizer (1.0.4)
       loofah (~> 2.2, >= 2.2.2)
     raindrops (0.19.0)
-    rake (12.3.0)
+    rake (12.3.1)
     rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
@@ -207,11 +207,11 @@ GEM
       mime-types (>= 1.16, < 4.0)
       netrc (~> 0.8)
     ruby-graphviz (1.2.3)
-    sanitize (4.6.4)
+    sanitize (4.6.6)
       crass (~> 1.0.2)
       nokogiri (>= 1.4.4)
       nokogumbo (~> 1.4)
-    sass (3.5.5)
+    sass (3.6.0)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
@@ -222,7 +222,7 @@ GEM
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
       tilt (>= 1.1, < 3)
-    sprockets (3.7.1)
+    sprockets (3.7.2)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
     sprockets-rails (3.2.1)
@@ -230,7 +230,7 @@ GEM
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
     sqlite3 (1.3.13)
-    sshkit (1.16.0)
+    sshkit (1.17.0)
       net-scp (>= 1.1.2)
       net-ssh (>= 2.8.0)
     strip_attributes (1.8.0)
@@ -242,12 +242,12 @@ GEM
       base32
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
-    uglifier (4.1.8)
+    uglifier (4.1.19)
       execjs (>= 0.3.0, < 3)
     unf (0.1.4)
       unf_ext
     unf_ext (0.0.7.5)
-    unicorn (5.4.0)
+    unicorn (5.4.1)
       kgio (~> 2.6)
       raindrops (~> 0.7)
     webrick (1.4.2)
@@ -287,4 +287,4 @@ DEPENDENCIES
   webrick
 
 BUNDLED WITH
-   1.16.2
+   1.16.6