Added @throws for @deprecated that throws exception.

Marked NodesDescription class to be removed in future PCJ release.

Changes in JavaDocs of ExecutionBuilder

Added JavaDoc for asyncCollect/collect.

Changed [generic] returned type of some methods to R (from T).

Fixing shutting down on failure.

Minor fixes in javadoc.

Updated JavaDocs.

Fixed reading bytes from the network, as the InputStream.read(byte[])…

… doesn't guarantee that array will be fully read.

Backporting Revision: 71c080e

Error (or exception at runtime) appear when type is not serializable but final.

New configuration options for Networker workers (min, max, keepalive).