Added configuration to change default db config to file-per-table config.

This is directed toward InnoDB. It appears there is an assumption
that puppet-dashboard should be running in non-transaction safe mode,
which is the default. This resolves the dependency for that assumption.

Change-Id: I50dabea856f38fa6e8d4d3c589eb98f12a22457a
Reviewed-on: https://review.openstack.org/24334
Reviewed-by: Khai Do <zaro0508@gmail.com>
Reviewed-by: James E. Blair <corvus@inaugust.com>
Approved: Jeremy Stanley <fungi@yuggoth.org>
Reviewed-by: Jeremy Stanley <fungi@yuggoth.org>
Tested-by: Jenkins

modules/openstack_project/manifests/dashboard.pp

@@ -21,6 +21,10 @@ class openstack_project::dashboard(
     mysql_root_pw       => $mysql_password,
     passenger           => true,
   }
+
+  mysql::server::config { '50_innodb_file_per_table':
+    settings => '[mysqld]\ninnodb_file_per_table\n',
+  }
 }
 
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