band_gaps_he: replace compute_density_volume_info() by DensityVolumeInfo
band_gaps_he: replace compute_density_volume_info() by DensityVolumeInfo

vlukes/sfepy,lokik/sfepy,sfepy/sfepy,rc/sfepy,RexFuzzle/sfepy,RexFuzzle/sfepy,BubuLK/sfepy,vlukes/sfepy,rc/sfepy,lokik/sfepy,rc/sfepy,BubuLK/sfepy,lokik/sfepy,BubuLK/sfepy,sfepy/sfepy,lokik/sfepy,vlukes/sfepy,RexFuzzle/sfepy,RexFuzzle/sfepy,sfepy/sfepy