add grants for sems_prepaid to base schema files

- i really meant to commit all changes in one batch but part of them went
  to r8162, apparently with wrong commit message;
- our grant management *really* sucks, i just hope that grants have been
  put into proper shape now without breaking anything.

db_scripts/base/0080_grants_dbs.template

@@ -27,6 +27,9 @@ GRANT ALL on syslog.* TO 'rsyslog'@'localhost' IDENTIFIED BY 'PW_RSYSLOG';
 GRANT SELECT,INSERT,UPDATE ON accounting.* TO 'rateomat'@localhost' IDENTIFIED BY 'PW_RATEOMAT';
 GRANT SELECT,INSERT,UPDATE ON billing.* TO 'rateomat'@'localhost' IDENTIFIED BY 'PW_RATEOMAT';
 
+GRANT SELECT,INSERT,UPDATE ON accounting.* TO 'sems_prepaid'@'localhost' IDENTIFIED BY 'PW_SEMS_PREPAID';
+GRANT SELECT,INSERT,UPDATE ON billing.* TO 'sems_prepaid'@'localhost' IDENTIFIED BY 'PW_SEMS_PREPAID';
+
 GRANT ALL PRIVILEGES ON *.* TO 'sipwise'@'localhost' IDENTIFIED BY 'PW_SIPWISE' WITH GRANT OPTION;
 
 GRANT ALL PRIVILEGES ON kamailio.* to 'dbcleaner'@'localhost' IDENTIFIED BY 'PW_CLEANUP_TOOLS';

db_scripts/base/6568.up

@@ -7,3 +7,5 @@ CREATE TABLE `prepaid_costs` (
   `free_time_used` int(10) unsigned NOT NULL,
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB;
+
+GRANT DELETE ON accounting.prepaid_costs TO 'rateomat'@'localhost';