BUG-FIX: EELSModel.resolve_fine_structure was raising an exception when there are not edges in the model
BUG-FIX: EELSModel self.edges was undefined in an empty model
Merge branch 'master' of https://github.com/hyperspy/hyperspy
Merge branch 'master' into ENH_zlp_centre
Remove printing from align_zlp_peak