Removed unnecessary import.
Suppressed unused compiler warnings

These methods will be called by Jackson.
Added SuperCSV dependency.
Added explicit Java 8 support.
Refactored the NewsProxy interface to extend AbstractProxy.
Added XChange dependency.

This was added for initial Bitcoin / fiat currency support, but future functionality will require the library.
Cleaned up imports.
Moved Feedzilla proxy and helper classes to their own package.
Added initial BitcoinRepository class.
Cleaned up imports.
Added whitespace.
Added bitcoinaverage.com integration.
Cleaned up imports.
Implemented eager caching after retrieving CSV.