deprecated DEFAULT_LANGUAGE
[ja] Follow #672
[ja] follow up #642
Merge pull request #674 from okonomi/feature/ja-follow-672

[ja] Follow #672
fixed ja translation
[ja] follow up 2144f73
[ja] fixed indent
fixed document links
fixed period position
fixed rst format
Merge pull request #675 from okonomi/feature/ja-follow-642

[ja] follow up #642
[ja] follow up core-libraries/components/authentication section
fixed document format
Update docs for new CakeNumber feature.
Add notes about properly escaping output.
In debug mode missing directories will now be automatically created to avoid unnecessary errors thrown when using the FileEngine
note in logging section
wording
provide ability for rounding
versionadded