Fixes #4725 - no longer removes file upload form outside of embed lightbox, no longer hangs on throbber when the form returns an error.
Fixes #4774. Added tokens insted is_action param in delete river menu item.
Fixes #4773. Added alt attribute in page icons.
Fixes #4792. Now blog author is who appears in the river.
fixes river upgrade for comments
Added jQuery-ui i18n files.
Fixes #4037. Internationalize datepicker.
fixes #4818 - generates unique rel attribute to prevent gallery navigation on embed lightbox content
Fixed @return doc on elgg_extract
Merge pull request #367 from beck24/embed-fancybox-navigation

Fixes #4818: Generates unique rel attribute to prevent gallery navigation on embed lightbox content.
Merge pull request #362 from sembrestels/datepicker-i18n

Datepicker i18n
Merge pull request #359 from sembrestels/blog-draft-owner

Fixes #4792. Now blog author is who appears in the river.
Merge pull request #355 from sembrestels/img-alt

Fixes #4773. Added alt attribute in page icons.
Merge pull request #349 from sembrestels/river-delete-validate

Fixes #4774. Added tokens insted is_action param in delete river menu item.
Merge pull request #360 from beck24/#4794-fix-river-comment-upgrade

Fixes #4794: Upgrade script no longer creates faulty river comment entries
Refs #4381. Cleanup for group sticky forms.
Moved logic out of view into groups_prepare_form_vars(). Made group tool options sticky.
Merge pull request #328 from beck24/#4725-embed-file-form

Fixes #4725 - embed form on file upload textarea removes file upload form
fixed: elgg_get_site_entity now works as documented
Fixes #3018: Checks DB for access before using memcache-stored entity (suggested by Jerôme Bakker)
use correct language in html lang attribute