Revert "Removed overlap from model"

This reverts commit 6b9e1e518a2bc1072de6295dfa3741881d64b566.
Revert "Removed anomalous and process_data checkboxes from interface and model."

This reverts commit 86c4a4203f7a5a60b8e81d78fa2485e923c56cd0.
multipoint centring
added robot angle
fix for the type of numbers returned by centring calculation
Removed dummy image for snapshots
Changed grid color
Removed process_data and anomalous from processing widget