Fix using "Use node option" when editing a forum's Post Friction options was ignored.
Fix on deleting a user, the per-thread Post Friction logs did not have the user_id zeroed out.
Force global namespace for functions which are known to be optimizable to bytecode in php, or known global functions to avoid a current namespace lookup for the function.
Use font-awesome icon instead of a png for add-on icon
Add moderator log support for editing post friction options
Fix "MySQL query error [1406]: Data too long for column 'friction'" when large number of post friction options are selected.
This requires increasing the size of the column
Add per-thread "Users can accept post friction warning" option
Allows overriding the forum "accept post friction warning" permission. Does not affect moderators or administrators