add exchange rates api + a-z sort order

Add callook.info for United States ham radio callsign data.

Add more social apis, related to: issue #58

Chuck Norris!

Unsplash now support OAuth2.

RESTful API supporting OAuth2 and JSONP.
App registration is mandatory, non-commercial usage is for free.

Links to RATP (French parisian railways company) OpenData API

This is the site for open data about crime and policing in England, Wales and Northern Ireland.

You can download street-level crime, outcome, and stop and search data in clear and simple CSV format and explore the API containing detailed crime data and information about individual police forces and neighbourhood teams.

You can also download data on police activity, and a range of data collected under the police annual data requirement (ADR) including arrests and 101 call handling.

All the data on this site is made available under the Open Government Licence.

Adds Soundcloud and Mixcloud to music cat