Attempted fix for CLang warnings in Vector3.h.
Attempted fix for CLang warnings in Vector3.h.

C++11 seems to have deprecated classes that have custom copy-constructor but not a custom assignment operator.

mjssw/cuberite,mmdk95/cuberite,mc-server/MCServer,ionux/MCServer,nichwall/cuberite,linnemannr/MCServer,thetaeo/cuberite,SamOatesPlugins/cuberite,ionux/MCServer,birkett/MCServer,SamOatesPlugins/cuberite,mmdk95/cuberite,Howaner/MCServer,Tri125/MCServer,zackp30/cuberite,birkett/MCServer,birkett/MCServer,tonibm19/cuberite,Frownigami1/cuberite,zackp30/cuberite,nounoursheureux/MCServer,tonibm19/cuberite,nichwall/cuberite,kevinr/cuberite,nevercast/cuberite,nevercast/cuberite,marvinkopf/cuberite,nevercast/cuberite,nounoursheureux/MCServer,jammet/MCServer,mjssw/cuberite,Haxi52/cuberite,nounoursheureux/MCServer,zackp30/cuberite,HelenaKitty/EbooMC,Schwertspize/cuberite,Fighter19/cuberite,nicodinh/cuberite,QUSpilPrgm/cuberite,jammet/MCServer,electromatter/cuberite,kevinr/cuberite,guijun/MCServer,marvinkopf/cuberite,HelenaKitty/EbooMC,linnemannr/MCServer,Altenius/cuberite,thetaeo/cuberite,tonibm19/cuberite,birkett/cuberite,birkett/cuberite,Howaner/MCServer,birkett/cuberite,mmdk95/cuberite,nicodinh/cuberite,mmdk95/cuberite,electromatter/cuberite,SamOatesPlugins/cuberite,mc-server/MCServer,ionux/MCServer,Frownigami1/cuberite,johnsoch/cuberite,electromatter/cuberite,nevercast/cuberite,Altenius/cuberite,nichwall/cuberite,tonibm19/cuberite,Schwertspize/cuberite,nounoursheureux/MCServer,mc-server/MCServer,tonibm19/cuberite,mc-server/MCServer,linnemannr/MCServer,bendl/cuberite,bendl/cuberite,nichwall/cuberite,Frownigami1/cuberite,jammet/MCServer,Haxi52/cuberite,marvinkopf/cuberite,Howaner/MCServer,linnemannr/MCServer,Altenius/cuberite,Altenius/cuberite,kevinr/cuberite,mc-server/MCServer,mmdk95/cuberite,thetaeo/cuberite,marvinkopf/cuberite,kevinr/cuberite,guijun/MCServer,Haxi52/cuberite,Fighter19/cuberite,zackp30/cuberite,nounoursheureux/MCServer,Haxi52/cuberite,bendl/cuberite,kevinr/cuberite,Howaner/MCServer,Fighter19/cuberite,jammet/MCServer,Howaner/MCServer,Frownigami1/cuberite,johnsoch/cuberite,Tri125/MCServer,electromatter/cuberite,QUSpilPrgm/cuberite,tonibm19/cuberite,birkett/MCServer,guijun/MCServer,Schwertspize/cuberite,birkett/MCServer,nounoursheureux/MCServer,mjssw/cuberite,marvinkopf/cuberite,birkett/cuberite,birkett/cuberite,nevercast/cuberite,linnemannr/MCServer,HelenaKitty/EbooMC,guijun/MCServer,Haxi52/cuberite,thetaeo/cuberite,Fighter19/cuberite,birkett/MCServer,Tri125/MCServer,HelenaKitty/EbooMC,bendl/cuberite,guijun/MCServer,Tri125/MCServer,HelenaKitty/EbooMC,nichwall/cuberite,mjssw/cuberite,nicodinh/cuberite,Howaner/MCServer,QUSpilPrgm/cuberite,QUSpilPrgm/cuberite,jammet/MCServer,bendl/cuberite,zackp30/cuberite,Altenius/cuberite,nicodinh/cuberite,mjssw/cuberite,Tri125/MCServer,mjssw/cuberite,Haxi52/cuberite,jammet/MCServer,electromatter/cuberite,Fighter19/cuberite,johnsoch/cuberite,electromatter/cuberite,nicodinh/cuberite,QUSpilPrgm/cuberite,Fighter19/cuberite,birkett/cuberite,nichwall/cuberite,ionux/MCServer,SamOatesPlugins/cuberite,marvinkopf/cuberite,kevinr/cuberite,Tri125/MCServer,zackp30/cuberite,ionux/MCServer,Schwertspize/cuberite,nicodinh/cuberite,linnemannr/MCServer,thetaeo/cuberite,QUSpilPrgm/cuberite,ionux/MCServer,johnsoch/cuberite,Schwertspize/cuberite,mc-server/MCServer,mmdk95/cuberite,Frownigami1/cuberite,thetaeo/cuberite,SamOatesPlugins/cuberite,nevercast/cuberite,guijun/MCServer,johnsoch/cuberite