Squashed commit of the following:

commit fd16f078749ec04c69d5c9f49f3fdd92f18ef02f
Author: HBWandEoW <hbwandeow@gmail.com>
Date:   Sat Mar 02 17:58:25 2013 +0900

	synchronized

commit 72ad1400d72ae05951b04dd0d6b7ca86073e0e0d
Author: HBWandEoW <hbwandeow@gmail.com>
Date:   Sat Mar 02 17:21:12 2013 +0900

	check bug

commit c9483ee08374ed9de65087a1b696d3b560628944
Author: tel777 <tttt777oooo777@yahoo.co.jp>
Date:   Sat Mar 02 16:58:37 2013 +0900

	add database

commit 276132e29d6a1ed2c062cd4dcf6f9a0bd9c6c800
Author: HBWandEoW <hbwandeow@gmail.com>
Date:   Sat Mar 02 16:53:34 2013 +0900

	fixed launch bug