Add dircolors checking
Add dircolors checking

ifels/gnome-terminal-colors-solarized,erikbrinkman/gnome-terminal-colors-solarized,esindril/gnome-terminal-colors-solarized,jaehyuk/gnome-terminal-colors,JianyuWang/gnome-terminal-colors-solarized,dlnguyen/solarized,lvfeng1130/gnome-terminal-colors-solarized,GregoryShen/gnome-terminal-colors-solarized,yitang/gnome-terminal-colors-solarized