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Change autoinstall, because we first need to check we have the same python version between blender and navipy"

Forecasting and preanalys have been removed from master because tests are not passing and compatible with unittest/navipy
for filtering trajectories see Trajectory class. Filtering in preanalysis has been removed
OpticFlow has been removed because it was based on deprecated conventions
trajectories rotation_mode changes have been update because pd.drop is checking that input object is a pandas dataframe

remove unecessary code in mcode
add example in otebook

add copy function for trajecotry keeping Trajectory class and not DataFrame.