[refactoring2016] Merged...

[refactoring2016] Merged 29-preprocessor-does-not-use-the-load-method-of-the-biofile-class with issue-8-remove-database-configuration

bob/bio/base/test/dummy/database.py

 from bob.bio.base.database import ZTBioDatabase
+from bob.bio.base.file import BioFile
 from bob.bio.base.test.utils import atnt_database_directory