Merge pull request #44 from mayabrandi/master

adding get_udfs function for listing udfs
Merged attach caliper file from test scripts
Merge branch 'master' of github.com:SciLifeLab/genologics
Merge pull request #45 from alneberg/master

Attach caliper images script
Script to copy udfs from process artifact level to sample level
Removed copy status to sample script, is replaced by copy udf to sample
Removed debugging remains
Merge pull request #46 from alneberg/master

Generalization of copy_status_to_sample.py script that can use any input/output udf name.