adds a standalone db queue
changed column name
adds upgrade script for db queue
Adds 3 ways to configure colorbox (code from @mrclay)
Fixes #5730 adds effect for hover and uses it for focus on site heading
allow full access to the metadata API through setMetadata() rather than requiring use of create_metadata()
Fixes #4402 adds warning to private methods on ElggMenuItem
Fixes #5740 using html5 autofocus and adds elgg.deprecated_notice()
Fixes #5725 using SSL for setting password when https login enabled
Fixes #5745 serve 404 pages when someone requests content of a user that does not exist
Fixes #5708 search supports multiple comments on the same entity
Fixes #5699 reversing order of months on blog sidebar
Fixes #5671 fixed query for clearing admin settings on plugin
Refs #5662 added error message for what should be impossible condition
Fixes #5613 group member list alphabetical
Fixes #4872 not passing an array to view that expects HTML
Fixes #4819 clearing floated images in the content area
Fixes #4293 don't require both offset key and offset for listing stuff
Merge branch '1.8'

Conflicts:
	engine/classes/ElggPlugin.php
	mod/groups/lib/discussion.php
	mod/groups/lib/groups.php
Merge pull request #5664 from cash/db_queue

adds a standalone db queue