Fixes #5522. Only adding children elements to menu items if they haven't already been added.
Refs #5522. Removed unused code.
Fixes #5337 properly checking if admin notice exists
Fixes #5430 adds work around for IE8 for jumping avatars
Fixes #5531 removes symbol interpretation from translit class
Fixes #5551 removes corrupt entities from database
fixed location of parameters in cli installer script
fixed: pagination in online members overview
fixed: only returning groups in get_user_membership (as documented)
Merge pull request #5555 from jeabakker/groups-get-user-membership

get_user_membership could return more than groups
ElggFile->delete() will return a correct state even for non saved
entities
Merge pull request #5553 from jeabakker/working-pagination-in-online-users

The pagination in online members doesn't work
Fixes #5559 not clearing last_forward_from in session if login fails
change order so plugin/[pluginname]/settings is used instead of
settings/edit after upgrade of a plugin
Merge pull request #5563 from jeabakker/better-result-for-elggfile-delete

ElggFile->delete() can return false on success or null on failure
Refs #5565 adds documentation on ACCESS_DEFAULT
Fixes #5567 throw exception when saving with ACCESS_DEFAULT
Fixes #5564 count works with elgg_get_entities_from_annotation_calculation()
not forcing the limit to be a certain value in content plugins
Fixes #5572 not including embed link in longtext menu for users who are logged out