change config DBI to Teng
update schema.pm
change board.pm conf DBI to Teng
modified schema.pm (not ; error modified)
Merge remote-tracking branch 'origin/master' into oguro/#3

Conflicts:
	config/development.pl
	config/test.pl
improve conflict
Merge pull request #6 from oguro1021/oguro/#3

Oguro/#3