Provide better and more explicit error message upon wrong usage of GrainFactory.
Provide better and more explicit error message upon wrong usage of GrainFactory.

jdom/orleans,tsibelman/orleans,dVakulen/orleans,dVakulen/orleans,Carlm-MS/orleans,waynemunro/orleans,dVakulen/orleans,sergeybykov/orleans,ashkan-saeedi-mazdeh/orleans,shayhatsor/orleans,Liversage/orleans,xclayl/orleans,MikeHardman/orleans,ElanHasson/orleans,brhinescot/orleans,pherbel/orleans,amccool/orleans,kylemc/orleans,ibondy/orleans,kylemc/orleans,hoopsomuah/orleans,Carlm-MS/orleans,xclayl/orleans,jokin/orleans,shlomiw/orleans,sebastianburckhardt/orleans,jokin/orleans,sergeybykov/orleans,gigya/orleans,veikkoeeva/orleans,benjaminpetit/orleans,centur/orleans,bstauff/orleans,rrector/orleans,dotnet/orleans,SoftWar1923/orleans,ashkan-saeedi-mazdeh/orleans,pherbel/orleans,shlomiw/orleans,brhinescot/orleans,LoveElectronics/orleans,ticup/orleans,jthelin/orleans,gigya/orleans,ReubenBond/orleans,gabikliot/orleans,MikeHardman/orleans,jokin/orleans,brhinescot/orleans,rrector/orleans,shayhatsor/orleans,amccool/orleans,ibondy/orleans,Joshua-Ferguson/orleans,galvesribeiro/orleans,Joshua-Ferguson/orleans,SoftWar1923/orleans,ticup/orleans,jkonecki/orleans,bstauff/orleans,yevhen/orleans,centur/orleans,amccool/orleans,ashkan-saeedi-mazdeh/orleans,jdom/orleans,jkonecki/orleans,Liversage/orleans,ElanHasson/orleans,galvesribeiro/orleans,tsibelman/orleans,yevhen/orleans,jason-bragg/orleans,waynemunro/orleans,Liversage/orleans,gabikliot/orleans,dotnet/orleans,LoveElectronics/orleans,hoopsomuah/orleans,sebastianburckhardt/orleans