[ja] Add 2.3, 2.4 migration guide and follow #890
[fr] Follow #896

Replaced deprecated AuthComponent::password with
SimplePasswordHasher::h..
revise the Japanese translation.

I think this "as" means "because".
revise the Japanese word.

Why is "love" translated to "女性"? I think "愛" is better here. :-)
Merge pull request #899 from tekapo/master

revise the Japanese translation.
Ask is defunkt
[ja] Fix grammars by review.
Merge pull request #897 from suzuki/feature/ja-add-missing-migration-guide

[ja] Add 2.3, 2.4 migration guide and follow #890
correct appendices grammar
Merge pull request #903 from okonomi/feature/ja-appendices-grammar-fix

[ja] correct grammar in appendices.rst
Merge pull request #900 from AD7six/feature/stackoverflow

Ask is defunkt