Update README.md

add an i18n example
Update README.md

Complete `update` method with argument documentation.
remove margin-top

why need this? the margin-top will cause style problem when using  appended inputs. 
Fix missing translations for Japanese (ja) locale
Merge pull request #326 from tyskin/patch-1

Add an i18n example
Merge pull request #334 from KevinSjoberg/master

Complete `update` method with argument documentation.
Merge pull request #336 from dozer47528/patch-1

remove margin-top
Merge pull request #358 from uomi41/master

Fix Japanese localization