Fixes #4008. Sets a vertical align for admin icons consistent with the text, and set it as before (baseline) for heads.
Fixes #4643. Locks the upgrade process while it is running.
Fixes #1334. Added dropdown to change the parent of a page.
Refs #1334. Prevent cycles in the pages tree.
Refs #1334. Readded hidden input in edit page form, only on page creation.
persist 'selected' state of site menu
Refs #4643. Added unlock upgrade action.
switched to matching by link name - same results, simpler code
Refs #4008. Modified CSS selector to be more specific.
Fixes #4764: Twitter login supports persistent and referrer forwarding
forward 1.7 group profile urls to correct destination in 1.8
Fixes #4290: adds volatile metadata cache, unit tests, and pre-loading for fetched entities
Moved upgrade lock/unlock functions to upgrade.php lib.
Fixes #4789: group_gatekeeper() and river hide closed/invisible group content more reliably
Better logic for when to forward to login
Remove unneeded code
fixes saving of empty values on profile metadata #4858
fixes not showing and deleting all metadata values for array type
metadata fields #4858
Fixes #3035 - menu items appearing in reverse registration order
fixed: elgg_get_site_entity now works as documented