Merge branch 'release/v1.0.9' into develop
Add documentation (phase 1)
add documentatio (phase 2)
add documentation (phase 3)
Add some helper methods
Removed LinkNormalCompletionTo. Use RegisterDependency instead.
RegisterDependency now also goes into the IDataflowDependency infrastructure as well as RegisterChild.
Set default dataflow options not to enable parallelism
All built-in nodes now respect DataflowOptions
Switch documentation under construct to README-beta.md
update metadata
Merge branch 'release/v1.0.9.1'