Mudcat Browser Tools

Adds these features to mudcat.org pages:
Italicises threads posted to since last visit.
Scrolls thread to first new post (optional).
Persists previous user name and preselects preview.
Adds quoting and linking buttons below input area.
Adds text styling buttons alongside input area.
Saves and recovers text in case of failure to post.
Encodes non-displayable characters (optional).
Restyles the pages to make them more readable on a small device - all optional:
-Moves the number of messages column to the left edge of the index page.
-Moves the search box to the bottom of the index page.
-Increases the font size of posts on the thread page.
Archives threads locally as to guard against loss of the Mudcat database.