Added 20 sets to [DGC] Collection

Previews & DDL:

	[DGC] 2012.09 No.1041 Nana Ozaki 尾崎ナナ
	[DGC] 2012.09 No.1042 Jessica Kizaki 希崎ジェシカ
	[DGC] 2012.09 No.1043 Yuki Jin 神ユキ
	[DGC] 2012.09 No.1044 Ai Haneda 羽田あい
	[DGC] 2012.09 No.1045 Kaori Sato 佐藤かおり
	[DGC] 2012.09 No.1046 Sayaka Otonashi 音無さやか
	[DGC] 2012.10 No.1047 Ai Shinozaki 篠崎愛
	[DGC] 2012.10 No.1048 Arisa 亜里沙
	[DGC] 2012.10 No.1049 Asami Ogawa 小川あさ美
	[DGC] 2012.10 No.1050 Yuria Satomi 里美ゆりあ
	[DGC] 2012.10 No.1051 Sayuki Kanno 菅野さゆき
	[DGC] 2012.10 No.1052 Yoshiko Suenaga 末永佳子
	[DGC] 2012.11 No.1053 Anna Konno 今野杏南
	[DGC] 2012.11 No.1054 Erika Tsunashima 綱島恵里香
	[DGC] 2012.11 No.1055 Ryoko Tanaka 田中涼子
	[DGC] 2012.11 No.1056 Minori Hatsune 初音みのり
	[DGC] 2012.11 No.1057 Akiho Yoshizawa 吉沢明歩
	[DGC] 2012.11 No.1058 Shou Nishino 西野翔
	[DGC] 2012.12 No.1059 Kokone Sasaki 佐々木心音
	[DGC] 2012.12 No.1060 KONAN