Skip epmty updates.
Test has been fixed after last changes.
Revert demo last changes.
Remove 'plugin' because it is quite buggy.
Demo components outputs have been changed to emulate downloading from the external sources.
Demo sub-project (empty) for component management has been added.
FileComponentProvider has been added with tests.
Little code clean-up.
Components ownership has been moved from the providers to the Manager.
Library pathes have been fixed.
DirectoryComponentProvider is used FileComponentProvider for each definition in the directory instead of handling proxy loading by itself.