Modwork

First, a fix for slashlinks not being parsed in article/comment/journal review.

Remove Underrated/Overrated.
Change remaining downmods to +0 mods.
Add Spam downmod (-1 comment, -10 karma).
Add Disagree zeromod.
Change selection of mod label for comments to include all up/down/zero mods in its calculations.
Give everyone whose account is 1 month+ five mod points every day.
Adds Spam and Disagree to user additional modifier settings.

Place link beside any comment modded spam to undo moderation by anyone with a seclevel of 100+
 (Essentially anyone above regular user) This:
deletes the moderation
undoes any karma hit
recalculates the score and score name
bans the moderator(s) who modded it spam from modding for a month the first time and six every time after
removes the rest of their mod points
redirects the person clicking to unban back to the same comment afterwards
It was returning undef for zero mods when it shouldn't have, so defined($val) rather than $val. The next line I forget why it was necessary but, yeah, it's a string operation adding a + to the value. There were a lot of assumptions that mods would never be zero in the code