Moved uri.js

Removed the medialize folder, decided it was extraneous
Added some blacklist selectors
Minor change to how elements are selected

Use document.querySelector, there is no need to use documentElement
Minor changes

Made a function anonymous, deleted a comment
Better scoring of class="articleText"

Also, better annotation for attribute bias
Moved to lib folder
General re-organization, no logic changes

Moved some functions into lucu scope, changed around some comments