Add nodes.quote to Post object.
Add nameBlock to clone nodes also.
Allow for extensions that add text to link titles (#220?)

e.g. NoScript's Javascript link fixer.
Quote inlined cross-board posts correctly.
Firefox leaves list.value as-is when set to an invalid option.

Chromium sets it to the empty string.
Fix watch thread toggler in inlined quotes.
Release 4chan X v1.9.16.2.