weird 2.0.0

• Added fr_mortality data set
• Updated oldfaithful and cricket_batting data sets
• Refactored package to use distributional objects
• Added dist_kde() and dist_density()
• Removed as_kde() and autoplot.kde()
• Rewrote kde_bandwidth() to handle more methods
• Added gg_density() and gg_density_layer()
• Replaced density_scores() with surprisals() and added surprisals_prob()
• Updated gg_bagplot() and gg_hdrboxplot() to use show_points argument
• Removed lookout()
• Added hampel_anomalies()
• mvscale() moved to lookout package
• Dropped interpolation dependency
• No longer exporting weird_packges() and weird_conflicts()