Fix whitespaces in manifest.json
Add new line at eof in manifest.json
Remove style.css since it's a useless copy of main.css
Add new line at eof in main.js and main.css
Wrap code with self-executing function in main.js

That's for encapsulation.
Despite the fact that extension has its own context, it's good to keep
everything encapsulated inside extension.
Trim end whitespaces in main.js
Turn functions and global variables into local variables in main.js
Trim end whitespaces in main.js
Remove vote function from main.js

It's literally useless: nothing uses it.
There's native vote handler, it works just fine.
KISS.
Remove console logging

Please use it only locally and don't commit.
Remove killdoctype function from main.js

Nothing changes when removing doctype from dom.
Tidy up beautystart function

Fix spacing and other visual issues.
Tidy up anonimous initial function

Fix spacing and other visual issues.
Add a semicolon after it.
Remove source map link from jquery.js

We don't need source mapping of jQuery.
Hotfix: add "var" before variable "hd" in main.js

There was a preceding variable, which is now removed. With "var".
Facepalm.
Move code from beautystart function directly to initial function

This is the only function called in anonimous initial function. Why not
run all the code directly inside?
Move "hd" variable to initial function where it is used
Fix quotes in main.js
Split "hd" variable into multiple lines so it doesn't exceed 80 symbols
Split jQuery chains so that they don't exceed 80 symbols per line