Typo and grammar fixes in the ActionPack CHANGELOG
Merge pull request #8725 from mattdbridges/patch-2

Typo and grammar fixes in the ActionPack CHANGELOG
Rename update_attributes method to update, keep update_attributes as an alias
Change docs to use update instead of update_attributes
Change guides to use update instead of update_attributes
Updating default application templates to use update instead of update_attributes
Add Changelog entry regarding update_attibutes being renamed to update
Merge pull request #8705 from amparo-luna/change_update_attributes_to_update

Rename update_attributes method to update
Remove a useless TODO comment
Merge pull request #8727 from robin850/patch-2

Remove a useless TODO comment
need to to_a the Relation to execute SQL here
Merge pull request #8728 from amatsuda/model_all_returns_a_relation

A small fix for an AR test case
Adding a usage message to install.rb script

Previously, invoking the install.rb script with zero arguments
caused it to attempt to install all gems without a version
suffix, which would fail spectacularly. Failing gracefully with
a usage message is more helpful to a first-time user.
Merge pull request #8729 from timraymond/help_message_for_install_script

Adding a usage message to install.rb script
Fix missing spaces before and after equal signs in method definitions
Merge pull request #8730 from robin850/master

Fix missing spaces in method definitions