* Better documentation
 - More complete
 - Focused on the user experience
 - Include resources
* Re-organisation of components into directories corresponding to each bob.bio
  base type: databases, preprocessors, extractors and algorithms.
* Changed old-style resources in favor of configuration files which are also
  resource'd
* Clean-up of unused resources

Testing CI

[refactoring2016] Moved database implementation from bob.bio.db to bob.bio.vein