Merge pull request #45 from alneberg/master

Attach caliper images script
Merge pull request #46 from alneberg/master

Generalization of copy_status_to_sample.py script that can use any input/output udf name.
adding copy fields functionality to lims_utils and two new specific copy udf scripts
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Adding code comments
bugfix
clean up
Copies udf to all projects related to the specifyed process
entities.py: Inserting new functionality to the Process class. Log fixes in copy_field_art2samp.py and copy_field_proc2projs.py
cleaning
cleaning
Adding comments about the function analytes()
remoove new line and unnessesary try/except statement
bug fix
remoove art2samp.py
adding versions to gitignore
fixing comments
test log bug
argument bug
argument error fix