and possibly different rules for finding those objects

objects

or even be numbers, so sorting by id doesn't make sense.  Please use `sort_by`
and specify the attribute you wish to sort with.  For example, change:

  Post.all.to_a.sort

to:

  Post.all.to_a.sort_by(&:id)

Fix an issue where router can't recognize downcased url encoding path.

AS does the following inside Time.find_zone! ...
`ActiveSupport::TimeZone[time_zone] || TZInfo::Timezone.get(time_zone)`
and given that the test is stubbing AS::TZ[] we don't need the removed
code.

Remove tzinfo dependency from Action Pack

This gem is used by Active Support but it should not be a dependency of
Action Pack.

[ci skip] Improve readability of 4.3's NOTE in migration.md.

Collapse where constraints to the Arel::Nodes::And node

Conflicts:
	activerecord/CHANGELOG.md

Removes unused code related to DatabaseTasks.