added alias system that reads from $ENV{'HOME'}."/.hive_url_alias which is a simple paired file like.  If file is missing it does nothing ia64e:3306      127.0.0.1:3371
added alias system that reads from $ENV{'HOME'}."/.hive_url_alias
which is a simple paired file like.  If file is missing it does nothing
ia64e:3306      127.0.0.1:3371

Ensembl/ensembl-hive,Ensembl/ensembl-hive,Ensembl/ensembl-hive,Ensembl/ensembl-hive