Maximilian Schambach requested to merge feature/lf-rescale into master Feb 25, 2020

Description

Renames get_decimated and get_resampled LightField and SpectralImage methods to get_decimated_spectrum and get_resampled_spectrum, respectively.
Introduces spatial rescaling using get_rescaled and get_resized which are available for both LightFields and SpectralArrays. Adds corresponding tests.
Updates the Documentation