update for otter/79
Vega/Region.pm: &fetch_Genes: inline the EnsEMBL v73 code for $self->slice->get_all_Genes (since it changes in v74).
Server/GFF.pm: &_param_list: create by refactoring
Server/GFF.pm: &get_requested_features: fix VariationFeature arguments for EnsEMBL 74.
Server EnsEMBL version set to 74.

Generated by /nfs/users/nfs_j/jh13/work/git/team_tools/otterlace/release/scripts/otterlace_server_ensembl_version_set (otter/79-11-g10d79be from ssh://git/repos/git/anacode/team_tools)
Merge branch 'mca/git-build/humpub-branch-78' into humpub-branch-78

* mca/git-build/humpub-branch-78:
  update for otter/79
ServerAction/Region.pm: &write_region: inline the v73 definition of &Slice::get_all_Genes as v74 changes it and breaks Vega.