Several optimizations to reduce DOM manipulation and increase front-end speed of admin and reduce/omit FOUCs, etc. Also includes a rewrite of the LanguageTabs module (now generated statically rather than from JS).
Continuing on last commit, this one adds LanguageTabs support to file/image fields.
Updates to multi-language site profile. Thanks to uliverse for the updated German translations in this profile. This commit also corrects the language setting not working in CKEditor, and other small tweaks.
Fix site-blank issue #634