Merge branch 'master' into 4-0-dev

Author: Sam Phippen

example_app_generator/generate_app.rb

@@ -43,7 +43,7 @@
     if RUBY_VERSION < "2.4"
       gsub_file "Gemfile", /.*capybara.*/, "gem 'capybara', '~> 3.10.0'"
     end
-    gsub_file "Gemfile", /.*selenium-webdriver.*/, "gem 'selenium-webdriver', '<= 3.14'"
+    gsub_file "Gemfile", /.*chromedriver-helper.*/, "gem 'webdrivers'
   end
 
   if Rails::VERSION::STRING >= '5.2.0' && Rails::VERSION::STRING < '6'