Added hidden attribute to item model, and all necessary methods to support it. Along with search method and scope.
Added hidden attribute to item model, and all necessary methods to support it. Along with search method and scope.

muhumar99/sharedearth,muhumar99/sharedearth,haseeb-ahmad/sharedearth-net,sharedearth-net/sharedearth-net,haseeb-ahmad/sharedearth-net,sharedearth-net/sharedearth-net,haseeb-ahmad/sharedearth-net,muhumar99/sharedearth,sharedearth-net/sharedearth-net