Release v3.0.0

Major Version Update - Upgrade of modules also heavily recommended

• Add support for multi-output and multi-input components and workflows.
• Add decorator annotations to classes and injectable configuration properties in preparation for interactive GUI for configuration settings
• Greater control on input/output mapping for individual components
• Greater stability on large datasets
• Finer-grained schema definitions

NB: while v2.x components will be runnable in v3.x, components built against v3.x will not be runnable against backbone v2.x.