1) Adding support for cleaning model
    2) Making megaplot python3 instead of 2
    3) Log scaling on spectrograms
    4) Plasma colomap on spectrograms
    5) Support for CBC, full, clean_only, CBC+Glitch, CBC+Signal
    6) Cornerplots for signal and glitch models
    7) CBC Cornerplots for cbc models

BW_Flags, can now read in BW information into python
    Call via
```
    from bayeswave_plot import BW_Flags as bwf

    runFlags = bwf.Flags(TRIGTIME_DIRECTORY)
    bwf.readbwb(runFlags)
```