2.5.0 (2016-05-24)

• [NEW] Handle HTTP status code 429 Too Many Requests with blocking backoff and retries.
• [NEW] Added DesignDocumentManager.list() to return all design documents defined in a database.
• [NEW] Added an optional SettableViewParameters.STALE_NO constant for the default omitted case of
  the stale parameter on a view request.
• [NEW] Added descending option for changes feed.
• [NEW] Added parameter option for changes feed to allow specifying a custom query parameter on
  the request for example to be used by a filter function.
• [NEW] Added HttpConnection logging filters for HTTP request method and URL regex.
• [IMPROVED] Added additional logging output and documentation.
• [IMPROVED] Documentation for Replication class.
• [FIX] JsonSyntaxException when deserializing Cloudant query language generated design
  documents into the DesignDocument class.
• [FIX] PreconditionFailedException was never thrown when calling createDB("dbname") when the
  database already existed.
• [FIX] Documentation that suggested calling database("dbname", false) would immediately throw a
  NoDocumentException if the database did not exist. The exception is not thrown until the first
  operation on the Database instance.
• [FIX] ClassCastException when the server responded 403 with a null reason in the JSON.