Moved DatabaseXBob to DatabaseBob; now relying on bob.db.___.original_file_names and annotations

Conflicts:
	facereclib/configurations/databases/lfw_restricted.py
	facereclib/configurations/databases/lfw_unrestricted.py
	facereclib/utils/annotations.py
Removed the last traces of old version of bob.
Added bob.buildout to eggs in develop.cfg
Updated .cfg files; fixed '== None' warnings.

Conflicts:
	buildout.cfg
fixed find_packages to search only in facereclib directory
Fixed parallel script test to require gridtk.
Updated doc version.