Moved test from main suite to the new suites.
Move tests from maria/t and maria/r to maria
mysql-test/mysql-test-run.pl:
Added support for the new suites
mysql-test/suite/maria/r/group_commit.result:
Test of gruoup commit.
mysql-test/suite/maria/r/maria3.result:
The new variables added.
mysql-test/suite/maria/t/group_commit.test:
Test of group commit.
randgen:
Randon query generator tests.
randgen/conf:
Random query generator tests.
randgen/conf/maria_group_commit.yy:
Random query generator test for group commit.
storage/maria/ha_maria.cc:
New variables and support procedures for group commit added.
storage/maria/ma_init.c:
Correct shutdown of group commit service thread and group commit.
storage/maria/ma_loghandler.c:
Group commit added.
Initialization of variables for embeded server edded.
storage/maria/ma_loghandler.h:
Group commit types and routines.
