mariadb: convert init script to procd

Also create a user "mariadb" and use it for running the server. And
add possibility to easily add command line args.

Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>

utils/mariadb/conf/my.cnf

@@ -1,10 +1,10 @@
 [client]
 port		= 3306
-socket		= /var/run/mysqld.sock
+socket		= /var/run/mysqld/mysqld.sock
 
 [mysqld]
-user		= root
-socket		= /var/run/mysqld.sock
+user		= mariadb
+socket		= /var/run/mysqld/mysqld.sock
 port		= 3306
 basedir		= /usr
 
@@ -21,21 +21,21 @@ skip-external-locking
 bind-address		= 127.0.0.1
 
 # Fine Tuning
-key_buffer		= 16M
+key_buffer_size		= 16M
 max_allowed_packet	= 16M
 thread_stack		= 192K
-thread_cache_size       = 8
+thread_cache_size	= 8
 
 # Here you can see queries with especially long duration
 #log_slow_queries	= /var/log/mysql/mysql-slow.log
-#long_query_time = 2
+#long_query_time	= 2
 #log-queries-not-using-indexes
 
 # The following can be used as easy to replay backup logs or for replication.
 #server-id		= 1
-#log_bin			= /var/log/mysql/mysql-bin.log
+#log_bin		= /var/log/mysql/mysql-bin.log
 #expire_logs_days	= 10
-#max_binlog_size         = 100M
+#max_binlog_size	= 100M
 #binlog_do_db		= include_database_name
 #binlog_ignore_db	= include_database_name