filteReddit.keywords.unlessKeyword prevents filtering post if title contains unlessKeyword
Reduce calls to `toLowerCase()`.
Check obj exists before attempting to perform "querySelectorAll"

fixes: Uncaught TypeError: Cannot read property 'querySelectorAll' of undefined
when mail widget is used on dashboard and a user isn't logged in
Better fix
userHighlight.options.dontHighlightFirstComment

Don't highlight the "first commenter" user in their first comment by default.
Removed tests.js references in manifests for Chrome, Opera, and FF.
Fix issue with Reddit's updated stylesheet
Merge pull request #816 from andytuba/dontHighlightFirstCommenter

userHighlight.options.dontHighlightFirstComment
Merge pull request #833 from SirCmpwn/fix-style

(Critical) Fix issue with Reddit's updated stylesheet and inline images
Add followPermalink shortcut
added option to uncheck "send replies to my inbox" in betteReddit
changed body to #header for overflow-x: hidden to fix issue with scrolling screen
Merge pull request #831 from brettp/no_tests

Removed tests.js references in manifests for Chrome, Opera, and FF.
Clean up utils.js to avoid variable issues
Update Flickr expando regex; fixes #825
Disable NER on wiki pages; fixes #848
Merge pull request #858 from mc10/never-ending-reddit

Disable NER on wiki pages
Delete unused Firefox README files
Copyedit and update documentation
Use ndashes for file lists