EOL utilities per Aitor

EOL utilities pretends to be a pack of utilities for the website "elotrolado.net".

The current features are:
"Post counter":
- Choose the URL of the thread to loop (the current thread URL is autofilled in the URL field).
- Set the start page for the counting process (included a button to automatically choose between the first page, the current page and the last page).
- Optionally, the user can add a users list to filter the users inside there (no case-sensitive but need to respect the spaces).
- A sort selector for the results.

"Ad-blocker":
- Simply removes the ads from the website after loading them. This avoids you to see them, but they print anyway.

"Improved UI/UX":
- Minors improvements on the general interface, such as turns the links color to orange or add some transitions on some hover animations.
- It moves the "Preview", "Save draft" and "Send" buttons to the bottom of the page when editing or creating a post.

The currently available languages are: Spanish, Catalan and English