Update Documentation Homepage
Update Documentation Homepage

Remove missing guidelines, Update instructions as in root ReadMe
petedavis/Orchard2,stevetayloruk/Orchard2,OrchardCMS/Brochard,xkproject/Orchard2,petedavis/Orchard2,xkproject/Orchard2,stevetayloruk/Orchard2,petedavis/Orchard2,xkproject/Orchard2,stevetayloruk/Orchard2,petedavis/Orchard2,OrchardCMS/Brochard,stevetayloruk/Orchard2,xkproject/Orchard2,OrchardCMS/Brochard,stevetayloruk/Orchard2,xkproject/Orchard2