MDEV-15 Log all SQL errors.

Added the logger service that provides us with the rotating logs.
              The plugin SQL_ERROR_LOG added. It logs the errors using the 'logger service'
                      for the rotating log files.
              the example record from the log:
                2012-03-09 15:07:29 root[root] @ localhost [] ERROR 1146: Table 'test.xyz' doesn't exist : select * from test.xyz

include/mysql/services.h

@@ -23,6 +23,8 @@ extern "C" {
 #include <mysql/service_thd_wait.h>
 #include <mysql/service_thread_scheduler.h>
 #include <mysql/service_progress_report.h>
+#include <mysql/service_logger.h>
+
 
 #ifdef __cplusplus
 }