tweak to munge_slice to cope with new ImageConfig, use API to get db name for align_features (rather than species defs)
tweak to munge_slice to cope with new ImageConfig, use API to get db name for align_features (rather than species defs)

Ensembl/ensembl-webcode,Ensembl/ensembl-webcode,Ensembl/ensembl-webcode,Ensembl/ensembl-webcode,Ensembl/ensembl-webcode