console.log warning for missing _meta

missing _meta from an imported space item denotes the NS (namespace)
definition at the top of the extension is badly formed (spelling).
added functionality

can do Nux.use('com.space', 'path/folder') to load an object without
defining a listener
spacehash

implement a light has to map com.space name to a path - this is used for
later NS detection for global space detection.
buttons and titles
created examples
corrected namespace for spaceship extension
added renderer