Made extension work for Firefox

Oops. It turns out $(document.body).scrollTop only works for webkit. $("body, html").scrollTop should work for all browsers.
Merge pull request #129 from jeratt/master

Made extension work for Firefox
Updated versions of extensions (Oct 10)
New extensions (Oct 10)
Add option to disable smooth scrolling when using J/K to move between posts on the tumblr dashboard
J/K Across Pages version 1.1

New:
- Optional notifications when moving between pages, or when trying to move past the first or last post

Fixed:
- Fixed View Entire Posts behavior when scrolling backwards to the first post on a page
- Attempted to fix the issue where J/K Across Pages sometimes moves between pages too early
J/K Across Pages 1.1.1

- Fixes the Tumblr search box problem
Merge pull request #133 from beiju/master

J/K Across Pages version 1.1.1
Merge pull request #130 from nhinds/no_animate_scroll

Add option to disable smooth scrolling
New extensions added
Updated versions of older extensions
Merge branch 'master' of https://github.com/atesh/XKit

Conflicts:
	Extensions/tweaks.js