Added run uuid in CSV output

[goginea]

This PR adds run uuid to be included in the CSV output when omics run analyzer is run

[markjschreiber]

This will add the uuid header to the output CSV, but does it actually add UUID values to the rows below the header? You may have to extract and add the uuid in the add_metrics function on line 333.

[markjschreiber]

Also, add the UUID description to this section

[goginea]

This will add the uuid header to the output CSV, but does it actually add UUID values to the rows below the header? You may have to extract and add the uuid in the add_metrics function on line 333.

Yes, locally tested that the uuid is correctly added to the headers, and the correct uuid value is displayed in the CSV file.

[goginea]

Also, add the UUID description to this section

Added to README.

[markjschreiber]

closes #88

[markjschreiber]

Great! Thanks for adding this.