Removed calls to deprecated Project.visible_by method.
Makes search providers use visible scopes.
Add permission option to wiki page activity provider.
Makes activity providers use visible scopes.
Makes visible scopes accept projects option and deprecate Project.visible_by.
Merged r5322 from trunk.
Set CSV separator to ; and decimal separator to , for italian (#8067).
Adds context menu for related issues (#8006).
Cleaner way to handle the replacement of watch links (#8071).
Code cleanup.
