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