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
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.
cleanup, remove trailing whitespace from guides/CHANGELOG
Removed deprecated threadsafe!
Merge pull request #11279 from jetthoughts/removed_threadsafe_deprectaed_option

Removed deprecated threadsafe! from Rails Config
Added missing CHANGELOG from PR #11279 [ci skip]
Merge pull request #11280 from arunagw/added-missing-changelog-entry

Added missing CHANGELOG from PR #11279 [ci skip]
Removed unused deprecation requires.
Merge pull request #11281 from jetthoughts/remove_unused_deprecation_requires

Removed unused deprecation requires.
method transplanting between modules isn't supported on 1.9