Antennas iq

[Doreban]

Added antennas iq plotting to the data flow.

On the site computers:

• Added an if statement in the site-linux.daemon to run the borealis-data-utils plot_antennas_iq function if it exists to create iq plots.
• Added to rsync_to_campus a check to find generated iq plots and transfer to the dataman user on campus.

On the campus computers:

• created a archive_iq_plots to compress files that are over a day old into thumbnail images. Reducing the data size of each image from ~50 KB to ~ 2 KB.
• Amended campus.daemon to run archive_iq_plots.

Currently the addition of iq plots into the data flow is dependant on the borealis-data-utils repo. If reviewers think that the iq plotting should be rewritten into the data flow repo let me know.

[Doreban]

Moved the iq plotting that was done in borealis-data-utils into the site-linux section of the data flow. I am not certain of how much of the new plotting scripts I added are absolutely required for the plotting, but I pulled the functions that were used and stitched it together and made sure it works the same as it did in the borealis-data-utils branch.