Update Contributing.MD
Update Contributing.MD

Double space is rendering as a single space so I changed the comment line a bit, the new version is clearer anyway.
Added an exception to CamelCase (single letter vars)
HelenaKitty/EbooMC,marvinkopf/cuberite,Tri125/MCServer,birkett/cuberite,mjssw/cuberite,nichwall/cuberite,johnsoch/cuberite,electromatter/cuberite,mjssw/cuberite,kevinr/cuberite,nevercast/cuberite,tonibm19/cuberite,nounoursheureux/MCServer,Fighter19/cuberite,ionux/MCServer,mjssw/cuberite,mmdk95/cuberite,nounoursheureux/MCServer,QUSpilPrgm/cuberite,Howaner/MCServer,tonibm19/cuberite,Frownigami1/cuberite,tonibm19/cuberite,Schwertspize/cuberite,zackp30/cuberite,mc-server/MCServer,johnsoch/cuberite,mc-server/MCServer,thetaeo/cuberite,nevercast/cuberite,Haxi52/cuberite,mjssw/cuberite,Fighter19/cuberite,mmdk95/cuberite,HelenaKitty/EbooMC,johnsoch/cuberite,HelenaKitty/EbooMC,marvinkopf/cuberite,birkett/MCServer,QUSpilPrgm/cuberite,birkett/MCServer,nevercast/cuberite,marvinkopf/cuberite,kevinr/cuberite,nicodinh/cuberite,bendl/cuberite,ionux/MCServer,Fighter19/cuberite,ionux/MCServer,johnsoch/cuberite,Frownigami1/cuberite,guijun/MCServer,linnemannr/MCServer,Frownigami1/cuberite,nounoursheureux/MCServer,SamOatesPlugins/cuberite,nichwall/cuberite,mmdk95/cuberite,thetaeo/cuberite,tonibm19/cuberite,tonibm19/cuberite,nichwall/cuberite,linnemannr/MCServer,birkett/MCServer,guijun/MCServer,birkett/MCServer,SamOatesPlugins/cuberite,QUSpilPrgm/cuberite,Altenius/cuberite,kevinr/cuberite,linnemannr/MCServer,mmdk95/cuberite,mc-server/MCServer,linnemannr/MCServer,thetaeo/cuberite,nounoursheureux/MCServer,Tri125/MCServer,tonibm19/cuberite,zackp30/cuberite,mc-server/MCServer,mc-server/MCServer,Altenius/cuberite,birkett/cuberite,birkett/cuberite,kevinr/cuberite,nounoursheureux/MCServer,Altenius/cuberite,Altenius/cuberite,electromatter/cuberite,birkett/cuberite,Haxi52/cuberite,electromatter/cuberite,mjssw/cuberite,linnemannr/MCServer,SamOatesPlugins/cuberite,nounoursheureux/MCServer,guijun/MCServer,kevinr/cuberite,johnsoch/cuberite,nicodinh/cuberite,HelenaKitty/EbooMC,zackp30/cuberite,Howaner/MCServer,SamOatesPlugins/cuberite,nevercast/cuberite,electromatter/cuberite,Fighter19/cuberite,HelenaKitty/EbooMC,Howaner/MCServer,Howaner/MCServer,mjssw/cuberite,birkett/MCServer,birkett/MCServer,zackp30/cuberite,nicodinh/cuberite,Tri125/MCServer,nicodinh/cuberite,Haxi52/cuberite,nevercast/cuberite,kevinr/cuberite,Fighter19/cuberite,Frownigami1/cuberite,QUSpilPrgm/cuberite,nichwall/cuberite,Tri125/MCServer,birkett/cuberite,marvinkopf/cuberite,QUSpilPrgm/cuberite,nicodinh/cuberite,Schwertspize/cuberite,bendl/cuberite,Altenius/cuberite,Howaner/MCServer,mc-server/MCServer,nichwall/cuberite,SamOatesPlugins/cuberite,bendl/cuberite,guijun/MCServer,bendl/cuberite,Howaner/MCServer,Schwertspize/cuberite,guijun/MCServer,marvinkopf/cuberite,ionux/MCServer,ionux/MCServer,QUSpilPrgm/cuberite,guijun/MCServer,linnemannr/MCServer,nicodinh/cuberite,zackp30/cuberite,electromatter/cuberite,birkett/cuberite,ionux/MCServer,thetaeo/cuberite,marvinkopf/cuberite,Schwertspize/cuberite,Haxi52/cuberite,Schwertspize/cuberite,Frownigami1/cuberite,electromatter/cuberite,mmdk95/cuberite,thetaeo/cuberite,bendl/cuberite,Tri125/MCServer,mmdk95/cuberite,nichwall/cuberite,nevercast/cuberite,Haxi52/cuberite,thetaeo/cuberite,Tri125/MCServer,zackp30/cuberite,Haxi52/cuberite,Fighter19/cuberite