update comments on opaque options.
update comments on opaque options.

mkret2/root,omazapa/root-old,root-mirror/root,omazapa/root-old,omazapa/root,gganis/root,pspe/root,krafczyk/root,0x0all/ROOT,dfunke/root,lgiommi/root,buuck/root,beniz/root,Duraznos/root,abhinavmoudgil95/root,mkret2/root,krafczyk/root,pspe/root,gganis/root,CristinaCristescu/root,karies/root,beniz/root,mkret2/root,esakellari/root,gganis/root,pspe/root,abhinavmoudgil95/root,abhinavmoudgil95/root,karies/root,gganis/root,gbitzes/root,satyarth934/root,nilqed/root,gbitzes/root,esakellari/my_root_for_test,zzxuanyuan/root,zzxuanyuan/root,karies/root,smarinac/root,beniz/root,dfunke/root,gganis/root,agarciamontoro/root,BerserkerTroll/root,mhuwiler/rootauto,mhuwiler/rootauto,vukasinmilosevic/root,0x0all/ROOT,BerserkerTroll/root,beniz/root,mhuwiler/rootauto,zzxuanyuan/root-compressor-dummy,olifre/root,Duraznos/root,gbitzes/root,perovic/root,mattkretz/root,sirinath/root,perovic/root,sirinath/root,smarinac/root,olifre/root,krafczyk/root,olifre/root,vukasinmilosevic/root,georgtroska/root,Duraznos/root,perovic/root,agarciamontoro/root,thomaskeck/root,0x0all/ROOT,vukasinmilosevic/root,esakellari/my_root_for_test,nilqed/root,evgeny-boger/root,sbinet/cxx-root,gbitzes/root,thomaskeck/root,sawenzel/root,omazapa/root,georgtroska/root,veprbl/root,buuck/root,bbockelm/root,gganis/root,omazapa/root-old,smarinac/root,0x0all/ROOT,BerserkerTroll/root,mkret2/root,omazapa/root-old,nilqed/root,buuck/root,olifre/root,satyarth934/root,smarinac/root,krafczyk/root,mattkretz/root,Duraznos/root,gbitzes/root,sbinet/cxx-root,Y--/root,bbockelm/root,smarinac/root,agarciamontoro/root,simonpf/root,nilqed/root,sawenzel/root,sirinath/root,evgeny-boger/root,lgiommi/root,root-mirror/root,mhuwiler/rootauto,simonpf/root,krafczyk/root,davidlt/root,veprbl/root,sirinath/root,evgeny-boger/root,satyarth934/root,Y--/root,zzxuanyuan/root-compressor-dummy,georgtroska/root,pspe/root,agarciamontoro/root,Y--/root,zzxuanyuan/root,perovic/root,olifre/root,olifre/root,simonpf/root,veprbl/root,Y--/root,gbitzes/root,root-mirror/root,krafczyk/root,bbockelm/root,bbockelm/root,esakellari/root,perovic/root,mhuwiler/rootauto,vukasinmilosevic/root,satyarth934/root,satyarth934/root,esakellari/my_root_for_test,sbinet/cxx-root,veprbl/root,simonpf/root,beniz/root,root-mirror/root,esakellari/root,sawenzel/root,krafczyk/root,esakellari/root,zzxuanyuan/root,mhuwiler/rootauto,zzxuanyuan/root-compressor-dummy,sirinath/root,georgtroska/root,mattkretz/root,Y--/root,Duraznos/root,satyarth934/root,mkret2/root,perovic/root,lgiommi/root,root-mirror/root,BerserkerTroll/root,abhinavmoudgil95/root,perovic/root,omazapa/root,omazapa/root,georgtroska/root,georgtroska/root,beniz/root,karies/root,BerserkerTroll/root,CristinaCristescu/root,veprbl/root,mkret2/root,lgiommi/root,zzxuanyuan/root-compressor-dummy,Duraznos/root,arch1tect0r/root,buuck/root,karies/root,Y--/root,lgiommi/root,omazapa/root-old,davidlt/root,mhuwiler/rootauto,sawenzel/root,olifre/root,root-mirror/root,CristinaCristescu/root,sawenzel/root,omazapa/root,mkret2/root,bbockelm/root,dfunke/root,sawenzel/root,jrtomps/root,davidlt/root,abhinavmoudgil95/root,gganis/root,simonpf/root,arch1tect0r/root,jrtomps/root,zzxuanyuan/root,abhinavmoudgil95/root,satyarth934/root,esakellari/root,pspe/root,jrtomps/root,jrtomps/root,buuck/root,olifre/root,zzxuanyuan/root,sbinet/cxx-root,dfunke/root,agarciamontoro/root,sbinet/cxx-root,zzxuanyuan/root-compressor-dummy,zzxuanyuan/root-compressor-dummy,Duraznos/root,beniz/root,georgtroska/root,esakellari/my_root_for_test,lgiommi/root,dfunke/root,CristinaCristescu/root,simonpf/root,nilqed/root,BerserkerTroll/root,krafczyk/root,nilqed/root,esakellari/my_root_for_test,mattkretz/root,krafczyk/root,evgeny-boger/root,esakellari/root,agarciamontoro/root,Y--/root,root-mirror/root,arch1tect0r/root,jrtomps/root,satyarth934/root,zzxuanyuan/root-compressor-dummy,bbockelm/root,karies/root,bbockelm/root,gganis/root,davidlt/root,0x0all/ROOT,georgtroska/root,dfunke/root,omazapa/root-old,sirinath/root,sirinath/root,veprbl/root,karies/root,veprbl/root,Y--/root,beniz/root,mkret2/root,zzxuanyuan/root,CristinaCristescu/root,zzxuanyuan/root-compressor-dummy,karies/root,Duraznos/root,pspe/root,davidlt/root,Duraznos/root,sawenzel/root,jrtomps/root,esakellari/root,pspe/root,thomaskeck/root,krafczyk/root,mkret2/root,davidlt/root,dfunke/root,abhinavmoudgil95/root,CristinaCristescu/root,mhuwiler/rootauto,beniz/root,buuck/root,jrtomps/root,perovic/root,agarciamontoro/root,evgeny-boger/root,lgiommi/root,arch1tect0r/root,0x0all/ROOT,arch1tect0r/root,mattkretz/root,perovic/root,abhinavmoudgil95/root,mattkretz/root,olifre/root,Y--/root,root-mirror/root,davidlt/root,esakellari/root,BerserkerTroll/root,dfunke/root,simonpf/root,gbitzes/root,omazapa/root,beniz/root,simonpf/root,agarciamontoro/root,CristinaCristescu/root,buuck/root,CristinaCristescu/root,georgtroska/root,sbinet/cxx-root,sawenzel/root,smarinac/root,simonpf/root,pspe/root,BerserkerTroll/root,Duraznos/root,omazapa/root-old,0x0all/ROOT,arch1tect0r/root,dfunke/root,vukasinmilosevic/root,Y--/root,veprbl/root,omazapa/root,dfunke/root,vukasinmilosevic/root,zzxuanyuan/root-compressor-dummy,zzxuanyuan/root-compressor-dummy,pspe/root,esakellari/root,0x0all/ROOT,sbinet/cxx-root,georgtroska/root,omazapa/root,omazapa/root,bbockelm/root,sirinath/root,omazapa/root,thomaskeck/root,vukasinmilosevic/root,root-mirror/root,esakellari/my_root_for_test,zzxuanyuan/root,sirinath/root,pspe/root,mattkretz/root,gganis/root,davidlt/root,abhinavmoudgil95/root,lgiommi/root,smarinac/root,satyarth934/root,perovic/root,davidlt/root,evgeny-boger/root,esakellari/root,mkret2/root,omazapa/root-old,evgeny-boger/root,sawenzel/root,nilqed/root,zzxuanyuan/root-compressor-dummy,evgeny-boger/root,sbinet/cxx-root,jrtomps/root,vukasinmilosevic/root,davidlt/root,buuck/root,perovic/root,sbinet/cxx-root,esakellari/my_root_for_test,veprbl/root,agarciamontoro/root,bbockelm/root,BerserkerTroll/root,smarinac/root,nilqed/root,mhuwiler/rootauto,karies/root,smarinac/root,jrtomps/root,mattkretz/root,omazapa/root-old,esakellari/root,Y--/root,nilqed/root,Duraznos/root,gbitzes/root,olifre/root,gbitzes/root,simonpf/root,beniz/root,jrtomps/root,mhuwiler/rootauto,BerserkerTroll/root,0x0all/ROOT,buuck/root,CristinaCristescu/root,sirinath/root,evgeny-boger/root,sawenzel/root,pspe/root,root-mirror/root,omazapa/root-old,vukasinmilosevic/root,abhinavmoudgil95/root,karies/root,veprbl/root,satyarth934/root,georgtroska/root,buuck/root,bbockelm/root,mattkretz/root,gbitzes/root,evgeny-boger/root,BerserkerTroll/root,omazapa/root,buuck/root,gganis/root,zzxuanyuan/root,agarciamontoro/root,thomaskeck/root,vukasinmilosevic/root,thomaskeck/root,thomaskeck/root,esakellari/my_root_for_test,smarinac/root,arch1tect0r/root,lgiommi/root,bbockelm/root,gganis/root,root-mirror/root,karies/root,CristinaCristescu/root,lgiommi/root,arch1tect0r/root,veprbl/root,mkret2/root,zzxuanyuan/root,omazapa/root-old,CristinaCristescu/root,abhinavmoudgil95/root,esakellari/my_root_for_test,arch1tect0r/root,gbitzes/root,mhuwiler/rootauto,esakellari/my_root_for_test,evgeny-boger/root,krafczyk/root,mattkretz/root,arch1tect0r/root,thomaskeck/root,dfunke/root,sirinath/root,sbinet/cxx-root,arch1tect0r/root,mattkretz/root,satyarth934/root,thomaskeck/root,davidlt/root,lgiommi/root,jrtomps/root,zzxuanyuan/root,vukasinmilosevic/root,sbinet/cxx-root,nilqed/root,zzxuanyuan/root,agarciamontoro/root,simonpf/root,thomaskeck/root,nilqed/root,sawenzel/root,olifre/root