- removed perl* dependency from mysql - new package mysql-extras is created;

- removed perl* dependency from mysql - new package mysql-extras is created;
- removed unneeded errmsg.txt from main and comp_err from devel package;
- added several logfiles /var/mysql/{err,log,update,isamlog};
- removed -m option from useradd call (/var/lib/mysql is included in
  package);
- added /etc/mysqld.conf;
- system readline is used instead of mysql's one;
- removed unneeded _*dir redefines;
- some cosmetits;
- release 7

Changed files:
    mysql.spec -> 1.46