Check for ADS lines being buried prior to lockloss
Checks if ADS channels go above threshold in 40 seconds before lockloss and creates a tag/plot of the relevant channels if they do. Channels work with LLO.
ADS Overflow tag: Screen_Shot_2019-09-11_at_7.16.50_PM
Webpage example: Screen_Shot_2019-09-11_at_7.16.58_PM
ADS overflow plot: https://ldas-jobs.ligo-wa.caltech.edu/~yannick.lecoeuche/events/1251/510796/ads.png
Closes #111 (closed)