Delete anonymous MySQL user when bootstrapping the db. Fixes rubber#185

templates/mysql/config/rubber/deploy-mysql.rb

@@ -40,6 +40,7 @@
             pass = "identified by '#{env.db_pass}'" if env.db_pass
             rubber.sudo_script "create_master_db", <<-ENDSCRIPT
               mysql -u root -e "create database #{env.db_name};"
+              mysql -u root -e "delete from mysql.user where user='' and host='localhost';"
               mysql -u root -e "grant all on *.* to '#{env.db_user}'@'%' #{pass};"
               mysql -u root -e "grant select on *.* to '#{env.db_slave_user}'@'%' #{pass};"
               mysql -u root -e "grant replication slave on *.* to '#{env.db_replicator_user}'@'%' #{pass};"