allow database names to contain dashes

modules/Bio/EnsEMBL/Hive/PipeConfig/HiveGeneric_conf.pm

@@ -109,7 +109,7 @@ sub pipeline_create_commands {
             $self->db_connect_command($db_conn).' <'.$self->o('ensembl_cvs_root_dir').'/ensembl-hive/sql/procedures.sqlite',
         ]
         : [
-            'mysql '.$self->dbconn_2_mysql($db_conn, 0)." -e 'CREATE DATABASE ".$self->o('pipeline_db', '-dbname')."'",
+            'mysql '.$self->dbconn_2_mysql($db_conn, 0)." -e 'CREATE DATABASE `".$self->o('pipeline_db', '-dbname')."`'",
 
                 # standard eHive tables, triggers, foreign_keys and procedures:
             $self->db_connect_command($db_conn).' <'.$self->o('ensembl_cvs_root_dir').'/ensembl-hive/sql/tables.sql',

modules/Bio/EnsEMBL/Hive/URLFactory.pm

@@ -90,7 +90,7 @@ sub fetch {
     Bio::EnsEMBL::Hive::URLFactory->new();  # make sure global instance is created
 
     if( my ($conn, $driver, $user, $pass, $host, $port, $dbname, $table_name, $tparam_name, $tparam_value, $conn_param_string) =
-        $url =~ m{^((\w*)://(?:(\w+)(?:\:([^/\@]*))?\@)?(?:([\w\-\.]+)(?:\:(\d+))?)?/(\w*))(?:/(\w+)(?:\?(\w+)=(\w+))?)?((?:;(\w+)=(\w+))*)$} ) {
+        $url =~ m{^((\w*)://(?:(\w+)(?:\:([^/\@]*))?\@)?(?:([\w\-\.]+)(?:\:(\d+))?)?/([\w\-]*))(?:/(\w+)(?:\?(\w+)=(\w+))?)?((?:;(\w+)=(\w+))*)$} ) {
 
         my %conn_param = split(/[;=]/, 'type=hive;discon=0'.$conn_param_string );