LB-1741: Internationalization dates doesn't work.

i18n is now requested first hand.
Squashed 'plugins/embed/' changes from 7a63434..d2729db

d2729db Merge pull request #153 from nistormihai/build-reloaded
f01bc74 LB-1580 Build Js for production.
9905fe2 LB-1580 Build main file.
6cbad2c Merge pull request #149 from nidzix/master
c6e7096 LB-1728: Remove unused id from tag
fc0b923 LB-1721 : Update satakansa theme
955fbed LB-1720: sasa and sasa-light themes
c4bf543 LB-1719: Update ksml and ksml-light themes.
e611826 LB-1718: Update aamulehti theme

git-subtree-dir: plugins/embed
git-subtree-split: d2729db037790771cc47c1e5f1127d7782a6daa1
Merge commit 'df3eacfa8c5e037db0f358ab8781b7828e85e33a' into devel
LB-1664: As a user, I want my old embeds to keep working after switching to the SEO solution.

Get rid of the dev in the generated embed code.