Gnu Screenの設定ファイル、レイアウトファイルを追加.
 On branch master
	new file:   .screen/all.layout
	new file:   .screen/default.layout
	new file:   .screen/dev.layout
	new file:   .screen/multi.layout
	new file:   .screen/only.layout
	new file:   .screen/opt.layout
	new file:   .screenrc
Merge branch 'master' of https://github.com/t9knowledge/dotfiles

Conflicts:
	.screen/default.layout
	.screen/only.layout
	.screenrc