Fix typo in docs

See merge request !67

First simple version of writing empty configuration files

Closes #45

See merge request !65

Merge branch '62-preprocessing-extraction-and-projection-will-not-stop-if-files-are-missing' into 'master'

raising errors instead of emitting warnings in case of unsuccessful processing

Closes #62

See merge request !63

Fix documentation of annotations method

See merge request !66

Resolve "Base classes are not new-style classes"

Closes #64

See merge request !64

Implemented check that all configuration file variables are consumed (passes also when overwritten on the command line)

Update requirements.txt - remove gridtk

Closes #49

See merge request !61

The little typo was corrected

See merge request !60

Changed the referece files for PLDA

Closes #61

See merge request !62

Merge branch '59-strange-behaviour-when-retrieving-objects-from-bob-bio-base-filelist-database-query' into 'master'

Resolve "strange behaviour when retrieving objects from bob.bio.base filelist database query"

Closes #59

See merge request !59

You can now specify a minimum file size for saved files

See merge request !58

replace the original_directory path in the low-level db too

See merge request !57

makes the annotations method implementation mandatory

See merge request !56