upgrade dependencies

* rails, puma, bunny, mysql2
* remove createsend which isn't needed/used
* don't require highline all the time

Gemfile

@@ -1,7 +1,7 @@
 source 'https://rubygems.org'
-gem 'rails', '= 5.2.2.1'
+gem 'rails', '= 5.2.4.1'
-gem 'mysql2', '>= 0.3.18', '< 0.5'
+gem 'mysql2'
-gem 'puma', '~> 3.0'
+gem 'puma'
 gem 'turbolinks', '~> 5'
 gem 'haml'
 gem 'nifty-utils'
@@ -15,7 +15,7 @@ gem 'dynamic_form'
 gem 'changey'
 gem 'mail', :git => 'https://github.com/mikel/mail.git', :branch => '2-7-stable'
 gem 'autoprefixer-rails'
-gem 'bunny', '~> 2.5.1'
+gem 'bunny'
 gem 'secure_headers'
 gem 'chronic'
 gem 'basic_ssl'
@@ -27,9 +27,8 @@ gem 'sentry-raven'
 gem 'gelf'
 gem 'moonrope'
 gem 'jwt'
-gem 'createsend', '~> 4.0'
 gem 'acme-client'
-gem 'highline', :require => true
+gem 'highline', :require => false
 
 group :development, :assets do
   gem 'sass-rails', '~> 5.0'

Gemfile.lock

@@ -1,6 +1,6 @@
 GIT
   remote: https://github.com/mikel/mail.git
-  revision: 3204c0b4733166b9664a552006286227dea09953
+  revision: 904fc3299163771ca47d5cc5c2f540f6f828c2d6
   branch: 2-7-stable
   specs:
     mail (2.7.2.edge)
@@ -11,43 +11,43 @@ GEM
   specs:
     acme-client (2.0.0)
       faraday (~> 0.9, >= 0.9.1)
-    actioncable (5.2.2.1)
+    actioncable (5.2.4.1)
-      actionpack (= 5.2.2.1)
+      actionpack (= 5.2.4.1)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
-    actionmailer (5.2.2.1)
+    actionmailer (5.2.4.1)
-      actionpack (= 5.2.2.1)
+      actionpack (= 5.2.4.1)
-      actionview (= 5.2.2.1)
+      actionview (= 5.2.4.1)
-      activejob (= 5.2.2.1)
+      activejob (= 5.2.4.1)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (5.2.2.1)
+    actionpack (5.2.4.1)
-      actionview (= 5.2.2.1)
+      actionview (= 5.2.4.1)
-      activesupport (= 5.2.2.1)
+      activesupport (= 5.2.4.1)
-      rack (~> 2.0)
+      rack (~> 2.0, >= 2.0.8)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (5.2.2.1)
+    actionview (5.2.4.1)
-      activesupport (= 5.2.2.1)
+      activesupport (= 5.2.4.1)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    activejob (5.2.2.1)
+    activejob (5.2.4.1)
-      activesupport (= 5.2.2.1)
+      activesupport (= 5.2.4.1)
       globalid (>= 0.3.6)
-    activemodel (5.2.2.1)
+    activemodel (5.2.4.1)
-      activesupport (= 5.2.2.1)
+      activesupport (= 5.2.4.1)
-    activerecord (5.2.2.1)
+    activerecord (5.2.4.1)
-      activemodel (= 5.2.2.1)
+      activemodel (= 5.2.4.1)
-      activesupport (= 5.2.2.1)
+      activesupport (= 5.2.4.1)
       arel (>= 9.0)
-    activestorage (5.2.2.1)
+    activestorage (5.2.4.1)
-      actionpack (= 5.2.2.1)
+      actionpack (= 5.2.4.1)
-      activerecord (= 5.2.2.1)
+      activerecord (= 5.2.4.1)
       marcel (~> 0.3.1)
-    activesupport (5.2.2.1)
+    activesupport (5.2.4.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
@@ -57,15 +57,16 @@ GEM
       activerecord (>= 3.2, < 6.0)
       rake (>= 10.4, < 13.0)
     arel (9.0.0)
-    authie (3.1.5)
+    authie (3.3.1)
+      secure_random_string
     autoprefixer-rails (9.1.3)
       execjs
     basic_ssl (1.0.3)
     bcrypt (3.1.12)
     bson (4.3.0)
-    builder (3.2.3)
+    builder (3.2.4)
-    bunny (2.5.1)
+    bunny (2.14.4)
-      amq-protocol (>= 2.0.1)
+      amq-protocol (~> 2.3, >= 2.3.0)
     byebug (10.0.2)
     changey (1.0.0)
       activerecord (>= 4.2, < 6)
@@ -79,18 +80,14 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.1.5)
+    concurrent-ruby (1.1.6)
-    crass (1.0.5)
+    crass (1.0.6)
-    createsend (4.1.2)
-      hashie (~> 3.0)
-      httparty (~> 0.14)
-      json (>= 1.0)
     database_cleaner (1.7.0)
     deep_merge (1.2.1)
     diff-lcs (1.3)
     dynamic_form (1.1.4)
     encrypto_signo (1.0.0)
-    erubi (1.8.0)
+    erubi (1.9.0)
     execjs (2.7.0)
     factory_bot (4.11.1)
       activesupport (>= 3.0.0)
@@ -106,14 +103,12 @@ GEM
       json
     globalid (0.4.2)
       activesupport (>= 4.2.0)
-    haml (5.0.4)
+    haml (5.1.2)
       temple (>= 0.8.0)
       tilt
     hashie (3.6.0)
     highline (2.0.0)
-    httparty (0.16.2)
+    i18n (1.8.2)
-      multi_xml (>= 0.5.2)
-    i18n (1.6.0)
       concurrent-ruby (~> 1.0)
     jquery-rails (4.3.3)
       rails-dom-testing (>= 1, < 3)
@@ -133,61 +128,61 @@ GEM
       activerecord
       kaminari-core (= 1.1.1)
     kaminari-core (1.1.1)
-    loofah (2.3.1)
+    loofah (2.4.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (0.9.2)
-    mimemagic (0.3.3)
+    mimemagic (0.3.4)
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
-    minitest (5.11.3)
+    minitest (5.14.0)
     mongo (2.6.2)
       bson (>= 4.3.0, < 5.0.0)
     moonrope (2.0.1)
       deep_merge (~> 1.0)
       json (~> 1.7)
       rack (>= 1.4)
-    multi_xml (0.6.0)
     multipart-post (2.0.0)
-    mysql2 (0.4.10)
+    mysql2 (0.5.3)
     nifty-utils (1.1.7)
     nilify_blanks (1.3.0)
       activerecord (>= 3.0.0)
       activesupport (>= 3.0.0)
-    nio4r (2.3.1)
+    nio4r (2.5.2)
-    nokogiri (1.10.5)
+    nokogiri (1.10.8)
       mini_portile2 (~> 2.4.0)
-    puma (3.12.0)
+    puma (4.3.1)
-    rack (2.0.6)
+      nio4r (~> 2.0)
+    rack (2.2.2)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
-    rails (5.2.2.1)
+    rails (5.2.4.1)
-      actioncable (= 5.2.2.1)
+      actioncable (= 5.2.4.1)
-      actionmailer (= 5.2.2.1)
+      actionmailer (= 5.2.4.1)
-      actionpack (= 5.2.2.1)
+      actionpack (= 5.2.4.1)
-      actionview (= 5.2.2.1)
+      actionview (= 5.2.4.1)
-      activejob (= 5.2.2.1)
+      activejob (= 5.2.4.1)
-      activemodel (= 5.2.2.1)
+      activemodel (= 5.2.4.1)
-      activerecord (= 5.2.2.1)
+      activerecord (= 5.2.4.1)
-      activestorage (= 5.2.2.1)
+      activestorage (= 5.2.4.1)
-      activesupport (= 5.2.2.1)
+      activesupport (= 5.2.4.1)
       bundler (>= 1.3.0)
-      railties (= 5.2.2.1)
+      railties (= 5.2.4.1)
       sprockets-rails (>= 2.0.0)
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.4)
+    rails-html-sanitizer (1.3.0)
-      loofah (~> 2.2, >= 2.2.2)
+      loofah (~> 2.3)
-    railties (5.2.2.1)
+    railties (5.2.4.1)
-      actionpack (= 5.2.2.1)
+      actionpack (= 5.2.4.1)
-      activesupport (= 5.2.2.1)
+      activesupport (= 5.2.4.1)
       method_source
       rake (>= 0.8.7)
       thor (>= 0.19.0, < 2.0)
-    rake (12.3.2)
+    rake (12.3.3)
     rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
@@ -223,7 +218,8 @@ GEM
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
       tilt (>= 1.1, < 3)
-    secure_headers (6.0.0)
+    secure_headers (6.3.0)
+    secure_random_string (1.0.0)
     sentry-raven (2.7.4)
       faraday (>= 0.7.6, < 1.0)
     sprockets (3.7.2)
@@ -233,20 +229,20 @@ GEM
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
-    temple (0.8.0)
+    temple (0.8.2)
     thor (0.19.4)
     thread_safe (0.3.6)
-    tilt (2.0.8)
+    tilt (2.0.10)
     turbolinks (5.2.0)
       turbolinks-source (~> 5.2)
     turbolinks-source (5.2.0)
-    tzinfo (1.2.5)
+    tzinfo (1.2.6)
       thread_safe (~> 0.1)
     uglifier (4.1.18)
       execjs (>= 0.3.0, < 3)
-    websocket-driver (0.7.0)
+    websocket-driver (0.7.1)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.3)
+    websocket-extensions (0.1.4)
 
 PLATFORMS
   ruby
@@ -258,13 +254,12 @@ DEPENDENCIES
   autoprefixer-rails
   basic_ssl
   bcrypt
-  bunny (~> 2.5.1)
+  bunny
   byebug
   changey
   chronic
   clockwork
   coffee-rails (~> 4.2)
-  createsend (~> 4.0)
   database_cleaner
   dynamic_form
   encrypto_signo
@@ -280,12 +275,12 @@ DEPENDENCIES
   mail!
   mongo
   moonrope
-  mysql2 (>= 0.3.18, < 0.5)
+  mysql2
   nifty-utils
   nilify_blanks
   nio4r
-  puma (~> 3.0)
+  puma
-  rails (= 5.2.2.1)
+  rails (= 5.2.4.1)
   rspec
   rspec-rails
   sass-rails (~> 5.0)