[PTF12dam] <bands appearing twice in different systems>

[mnicholl]

I don't know if this is an 'issue' exactly, but the same Swift UVOT points are showing up in both AB and Vega systems. Makes it hard to interpret light curve plot, especially with model fit. Would be vastly preferable to only display one (with system labeled if possible). Not too difficult for SLSNe where we've tagged AB or Vega, but might be hard to implement for a general SN...