* Refactor log subscriber, use select! to avoid a new object
* Remove deprecation messages related to AS::Deprecation behavior
This was added about 2 years ago for Rails 3:
d4c7d3fd94
* Remove some not used requires
* Refactor delegate to avoid string conversions and if statements inside each block
This can be turned off by setting `config.reload_classes_only_on_change` to false.
Extensions like Active Record should add their respective files like db/schema.rb and db/structure.sql to `config.watchable_files` if they want their changes to affect classes reloading.
Thanks to https://github.com/paneq/active_reload and Pastorino for the inspiration. <3
