Jetpack: Import translations for 3.1
Jetpack: Whoops, missed the modified ones with ^^
Merge pull request #918 from Automattic/translations-3.1

Merging in translations from wpcom glotpress.
Readmill: fix typo in link attribute without breaking the string
Readmill: add missing opening PHP tag
Merge pull request #919 from jeherve/fix/readmill

Fix typos in the Readmill widget, and add a missing PHP tag
Fix it's to its without breaking translations!

#winning
Minor tidying of whitespace, if syntax, & comments
Jetpack: Update french translations.