Bug fix: EHIVE_ROOT_DIR env var gets unset
Bug fix: EHIVE_ROOT_DIR env var gets unset

Surprising, but EHIVE_ROOT_DIR get unset sometimes. So make sure it's set before calling the hive adaptor

muffato/public-plugins,Ensembl/public-plugins,Ensembl/public-plugins,muffato/public-plugins,Ensembl/public-plugins,muffato/public-plugins,muffato/public-plugins