cookies are encrypted starting Rails 4
doc for more input tag types
Complete a sentence in i18n guide's introduction

Add a list of what will be covered into this guide
Removed params permit step from 5.6 section [ci skip]
[doc] fixed printing of code samples
Remove deprecated Logger core extensions (core_ext/logger.rb)
Fix ruby patch level example in rails docs regarding info page [ci skip]

Thanks @egilburg.
Remove deprecated `ActiveRecord::Generators::ActiveModel#update_attributes` in
    favor of `ActiveRecord::Generators::ActiveModel#update`
Merge pull request #11272 from vipulnsward/generator_update

Remove deprecated `ActiveRecord::Generators::ActiveModel#update_attribute`
Remove deprecated `DateTime.local_offset`
Remove deprecated `Module#local_constant_names` 

in favor of `Module#local_constants`
Remove deprecated `String#encoding_aware?` 

core extensions (`core_ext/string/encoding`).
Merge pull request #11273 from arunagw/deprecation-removed

Deprecation removed
Fixed test broken by local_constant_names 

depreciation removed
keep a cache of the reader methods so we can reuse them
move the reader method cache in to the read module
keep a cache of writer methods
Merge pull request #11276 from arunagw/build-fix

Fixed test broken by local_constant_names
refactor the method cache objects to have a superclass
remove deprecated `PostgreSQLAdapter#outside_transaction?` method.