README: Add NeoBundle documentation, separate section for Vundle / Pathogen configuration.
README: Add NeoBundle documentation, separate section for Vundle / Pathogen configuration.

Hexcles/color_coded,UnrealQuester/color_coded,tony/color_coded,jeaye/color_coded,tushar2708/color_coded,tony/color_coded,tushar2708/color_coded,UnrealQuester/color_coded,jeaye/color_coded,UnrealQuester/color_coded,jeaye/color_coded,Hexcles/color_coded,Hexcles/color_coded,Hexcles/color_coded,tushar2708/color_coded,UnrealQuester/color_coded,tony/color_coded,tushar2708/color_coded,tony/color_coded,jeaye/color_coded