and move whitepages API into standalone fraud prevention section

There has been some recent interest in adding paid services to this list, so adding `free` in the project's description to clarify the mission of the project.

Some quick Googling showed that UIfaces has pretty much wrapped up its life online.

`https://www.file.io` times out, so updating README to reflect loss of HTTPS support.

Data * sections were out of alphabetical order and the Sports/Fitness and Food/Drink sections were not following the `x & y` naming convention.

Fixes issue #307

Like the Mexico one, but for brazil

add phone and address validation
add phone reputation to detect spammy numbers. 
add fraud prevention api section

Added Official Swiss Public Transport Open Data

apiKey is only required for unthrottled access

Multiple datasets available via CKAN API

This reverts commit 68b6bfb476.

Added to Machine Learning

Multiple datasets available via CKAN API