possible fix for twitter popups
twitter fancybox now uses attribution_uri

This is where the actual link to twitter exists (if there is one).
fixes #559
Language now stored on attributes object

fixes #564
Merge pull request #627 from Japan-Digital-Archives/tweetbox

Fixed popup link to twitter in the fancybox
Merge pull request #636 from ebensing/language

Language now stored on attributes object
Fixing tag submission

these broke with the addition of clickable tags because the DOM changed.
This version should be slightly more resistant against such breakages.
fixes #637
tumblr icon and news dropdown item added, map layers added, carousel expanded
Merge pull request #639 from Japan-Digital-Archives/frontpagefixes

fixes #625, fixes #620, fixes #552
added support for twitter
Merge pull request #641 from jessyurko/jessica

added support for twitter
tumblr logo added
Merge pull request #642 from Japan-Digital-Archives/frontpagefixes

tumblr logo added
switched outside- tag on metadata to layer_type from media_type
Merge pull request #644 from jessyurko/jessica

switched outside- tag on metadata to layer_type from media_type