4.2 051

Merge changes concerning 4.2-051 into master
Just call this key keywords
e.g.
ret["keywords"] = keyword_values

you may want to change the script checkin/metadata_extractor too accordingly for the key as well as removing the redundant check for key in L66-67

# list of keywords the client (Bell Helicopter) wants
 63     metadata_fields = ["IPTC: Keywords"]
 64
 65     # search for specific metadata (metadata is a dictionary). Add anything     found to keywords_list
 66     for metadata_field in metadata_fields:
 67         if metadata_field in metadata:
 68             metadata_list.append(metadata.get(metadata_field))