ActiveSupport.halt_callback_chains_on_return_false= is deprecated and
will be removed in Rails 5.2. Stop using it and return `throw(:abort)`
instead in the callbacks which need it.
Update config with rails app:update
Update schema.rb rails db:migrate
Add puma
Make jobs and models inherit from ApplicationJob and ApplicationRecord
Update acts_as_list to 0.9.7 in order to fix
"undefined method `sanitize_sql_hash_for_conditions'" error
Update web-console to 2.3.0 to fix a 500 internal server error
Replace before_filter with before_action
Add rails-controller-testing gem
Add prepend: :true to protect_from_forgery in ApplicationController to
avoid ActionController::InvalidAuthenticityToken exceptions
Remove activeuuid
Update formtastic to 3.1.5 to fix deprecation warnings and issues
with the Input class
Update ahoy_matey to 1.6.0
Update cancancan to 2.0.0 to fix issues with malformed sql queries
Fix program spec
Fix issue with the picture being nil in admin/Organizations#new and #edit
and Organizations#show
Fix ActiveRecord::Base.raise_in_transactional_callbacks= deprecation
warning by removing an unnecessary line in application.rb
Fix failing versions specs
Sets up paper_trail tracking in important models
and add conference_id to versions for storing conference_id
of conference related objects as metadata.This will help in querying
for versions related to conferences.
Fix issues with factories & event types initialization.Import paper_trail testing helpers
Fix bug: Creating an event creates a useless version with event update
Add revert and view changes features to revision history
