try getting host-by-name only once in case host name does not resolve properly. Also cache random system info. Should fix problem in case of misconfigured name servers.
try getting host-by-name only once in case host name does not resolve
properly. Also cache random system info. Should fix problem in case of
misconfigured name servers.


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@5877 27541ba8-7e3a-0410-8455-c3a389f83636

smarinac/root,karies/root,sawenzel/root,omazapa/root-old,beniz/root,0x0all/ROOT,esakellari/my_root_for_test,arch1tect0r/root,dfunke/root,thomaskeck/root,mhuwiler/rootauto,esakellari/root,mattkretz/root,mattkretz/root,zzxuanyuan/root,beniz/root,omazapa/root-old,vukasinmilosevic/root,thomaskeck/root,veprbl/root,tc3t/qoot,0x0all/ROOT,gbitzes/root,olifre/root,krafczyk/root,lgiommi/root,davidlt/root,arch1tect0r/root,smarinac/root,CristinaCristescu/root,vukasinmilosevic/root,mattkretz/root,Duraznos/root,bbockelm/root,CristinaCristescu/root,gganis/root,Y--/root,olifre/root,georgtroska/root,sirinath/root,BerserkerTroll/root,pspe/root,zzxuanyuan/root,mattkretz/root,karies/root,zzxuanyuan/root-compressor-dummy,satyarth934/root,simonpf/root,arch1tect0r/root,dfunke/root,tc3t/qoot,abhinavmoudgil95/root,esakellari/root,zzxuanyuan/root,tc3t/qoot,krafczyk/root,strykejern/TTreeReader,alexschlueter/cern-root,agarciamontoro/root,thomaskeck/root,satyarth934/root,vukasinmilosevic/root,sirinath/root,BerserkerTroll/root,satyarth934/root,omazapa/root-old,dfunke/root,sawenzel/root,pspe/root,tc3t/qoot,agarciamontoro/root,nilqed/root,zzxuanyuan/root-compressor-dummy,gbitzes/root,mattkretz/root,krafczyk/root,mkret2/root,root-mirror/root,georgtroska/root,jrtomps/root,buuck/root,smarinac/root,pspe/root,buuck/root,veprbl/root,cxx-hep/root-cern,mhuwiler/rootauto,omazapa/root,arch1tect0r/root,karies/root,cxx-hep/root-cern,CristinaCristescu/root,veprbl/root,sirinath/root,bbockelm/root,nilqed/root,abhinavmoudgil95/root,mhuwiler/rootauto,mhuwiler/rootauto,beniz/root,nilqed/root,georgtroska/root,simonpf/root,buuck/root,zzxuanyuan/root-compressor-dummy,esakellari/my_root_for_test,omazapa/root,simonpf/root,mattkretz/root,CristinaCristescu/root,Dr15Jones/root,perovic/root,Y--/root,georgtroska/root,zzxuanyuan/root-compressor-dummy,nilqed/root,agarciamontoro/root,gbitzes/root,jrtomps/root,lgiommi/root,evgeny-boger/root,arch1tect0r/root,georgtroska/root,mhuwiler/rootauto,cxx-hep/root-cern,Dr15Jones/root,buuck/root,sirinath/root,esakellari/root,esakellari/root,veprbl/root,gbitzes/root,sawenzel/root,sbinet/cxx-root,vukasinmilosevic/root,mhuwiler/rootauto,root-mirror/root,krafczyk/root,olifre/root,0x0all/ROOT,buuck/root,0x0all/ROOT,kirbyherm/root-r-tools,tc3t/qoot,Duraznos/root,dfunke/root,cxx-hep/root-cern,lgiommi/root,karies/root,veprbl/root,esakellari/my_root_for_test,perovic/root,omazapa/root,georgtroska/root,strykejern/TTreeReader,sawenzel/root,beniz/root,olifre/root,CristinaCristescu/root,satyarth934/root,kirbyherm/root-r-tools,vukasinmilosevic/root,sbinet/cxx-root,veprbl/root,zzxuanyuan/root-compressor-dummy,ffurano/root5,arch1tect0r/root,georgtroska/root,beniz/root,vukasinmilosevic/root,lgiommi/root,dfunke/root,esakellari/my_root_for_test,sbinet/cxx-root,zzxuanyuan/root-compressor-dummy,strykejern/TTreeReader,beniz/root,olifre/root,mattkretz/root,esakellari/root,davidlt/root,bbockelm/root,karies/root,BerserkerTroll/root,zzxuanyuan/root-compressor-dummy,BerserkerTroll/root,esakellari/root,krafczyk/root,tc3t/qoot,omazapa/root-old,dfunke/root,davidlt/root,simonpf/root,davidlt/root,mhuwiler/rootauto,pspe/root,omazapa/root,perovic/root,omazapa/root,perovic/root,esakellari/root,georgtroska/root,esakellari/my_root_for_test,abhinavmoudgil95/root,tc3t/qoot,krafczyk/root,sirinath/root,BerserkerTroll/root,davidlt/root,jrtomps/root,mhuwiler/rootauto,sirinath/root,veprbl/root,mkret2/root,abhinavmoudgil95/root,zzxuanyuan/root,pspe/root,bbockelm/root,Duraznos/root,omazapa/root-old,kirbyherm/root-r-tools,CristinaCristescu/root,bbockelm/root,perovic/root,BerserkerTroll/root,lgiommi/root,bbockelm/root,kirbyherm/root-r-tools,tc3t/qoot,abhinavmoudgil95/root,ffurano/root5,Dr15Jones/root,perovic/root,tc3t/qoot,lgiommi/root,bbockelm/root,nilqed/root,gbitzes/root,dfunke/root,krafczyk/root,Duraznos/root,evgeny-boger/root,thomaskeck/root,davidlt/root,thomaskeck/root,smarinac/root,evgeny-boger/root,sbinet/cxx-root,gganis/root,omazapa/root-old,olifre/root,ffurano/root5,strykejern/TTreeReader,lgiommi/root,thomaskeck/root,jrtomps/root,smarinac/root,0x0all/ROOT,kirbyherm/root-r-tools,BerserkerTroll/root,mattkretz/root,smarinac/root,sirinath/root,zzxuanyuan/root-compressor-dummy,root-mirror/root,satyarth934/root,abhinavmoudgil95/root,agarciamontoro/root,karies/root,simonpf/root,root-mirror/root,perovic/root,strykejern/TTreeReader,nilqed/root,root-mirror/root,jrtomps/root,Duraznos/root,BerserkerTroll/root,pspe/root,esakellari/root,gbitzes/root,esakellari/my_root_for_test,mattkretz/root,CristinaCristescu/root,sawenzel/root,zzxuanyuan/root,gbitzes/root,olifre/root,beniz/root,vukasinmilosevic/root,smarinac/root,nilqed/root,Duraznos/root,zzxuanyuan/root-compressor-dummy,esakellari/my_root_for_test,lgiommi/root,satyarth934/root,Y--/root,zzxuanyuan/root,esakellari/my_root_for_test,lgiommi/root,mkret2/root,evgeny-boger/root,georgtroska/root,alexschlueter/cern-root,omazapa/root-old,ffurano/root5,0x0all/ROOT,root-mirror/root,perovic/root,kirbyherm/root-r-tools,krafczyk/root,pspe/root,agarciamontoro/root,Y--/root,jrtomps/root,tc3t/qoot,Y--/root,nilqed/root,sawenzel/root,smarinac/root,evgeny-boger/root,sawenzel/root,beniz/root,mattkretz/root,esakellari/my_root_for_test,sbinet/cxx-root,omazapa/root,davidlt/root,dfunke/root,dfunke/root,smarinac/root,simonpf/root,buuck/root,karies/root,sirinath/root,0x0all/ROOT,krafczyk/root,zzxuanyuan/root,veprbl/root,simonpf/root,mkret2/root,arch1tect0r/root,sirinath/root,pspe/root,evgeny-boger/root,omazapa/root,root-mirror/root,gganis/root,arch1tect0r/root,georgtroska/root,Y--/root,beniz/root,agarciamontoro/root,agarciamontoro/root,omazapa/root,olifre/root,gganis/root,omazapa/root,omazapa/root-old,georgtroska/root,ffurano/root5,omazapa/root-old,Duraznos/root,bbockelm/root,agarciamontoro/root,gbitzes/root,zzxuanyuan/root-compressor-dummy,lgiommi/root,nilqed/root,gganis/root,vukasinmilosevic/root,root-mirror/root,strykejern/TTreeReader,zzxuanyuan/root,BerserkerTroll/root,olifre/root,esakellari/root,sbinet/cxx-root,thomaskeck/root,buuck/root,sawenzel/root,beniz/root,perovic/root,veprbl/root,alexschlueter/cern-root,mkret2/root,esakellari/root,zzxuanyuan/root,dfunke/root,karies/root,Dr15Jones/root,karies/root,abhinavmoudgil95/root,kirbyherm/root-r-tools,buuck/root,nilqed/root,sbinet/cxx-root,jrtomps/root,bbockelm/root,mkret2/root,zzxuanyuan/root-compressor-dummy,Duraznos/root,zzxuanyuan/root,cxx-hep/root-cern,jrtomps/root,arch1tect0r/root,sirinath/root,CristinaCristescu/root,veprbl/root,satyarth934/root,cxx-hep/root-cern,agarciamontoro/root,satyarth934/root,abhinavmoudgil95/root,satyarth934/root,jrtomps/root,sbinet/cxx-root,mkret2/root,root-mirror/root,sbinet/cxx-root,gbitzes/root,Y--/root,esakellari/root,omazapa/root,perovic/root,agarciamontoro/root,davidlt/root,CristinaCristescu/root,arch1tect0r/root,satyarth934/root,mhuwiler/rootauto,perovic/root,satyarth934/root,thomaskeck/root,mhuwiler/rootauto,davidlt/root,beniz/root,simonpf/root,jrtomps/root,nilqed/root,ffurano/root5,root-mirror/root,BerserkerTroll/root,Duraznos/root,gbitzes/root,simonpf/root,root-mirror/root,buuck/root,omazapa/root,abhinavmoudgil95/root,0x0all/ROOT,Y--/root,abhinavmoudgil95/root,bbockelm/root,pspe/root,mkret2/root,evgeny-boger/root,olifre/root,gbitzes/root,krafczyk/root,alexschlueter/cern-root,0x0all/ROOT,olifre/root,evgeny-boger/root,sbinet/cxx-root,pspe/root,mkret2/root,mkret2/root,arch1tect0r/root,gganis/root,vukasinmilosevic/root,Y--/root,alexschlueter/cern-root,krafczyk/root,sirinath/root,Y--/root,buuck/root,vukasinmilosevic/root,evgeny-boger/root,bbockelm/root,thomaskeck/root,pspe/root,alexschlueter/cern-root,Duraznos/root,Dr15Jones/root,simonpf/root,Dr15Jones/root,evgeny-boger/root,simonpf/root,gganis/root,cxx-hep/root-cern,gganis/root,gganis/root,mkret2/root,sawenzel/root,omazapa/root-old,zzxuanyuan/root,veprbl/root,thomaskeck/root,Dr15Jones/root,gganis/root,karies/root,buuck/root,lgiommi/root,evgeny-boger/root,mhuwiler/rootauto,dfunke/root,smarinac/root,vukasinmilosevic/root,mattkretz/root,CristinaCristescu/root,karies/root,Y--/root,alexschlueter/cern-root,sbinet/cxx-root,agarciamontoro/root,sawenzel/root,BerserkerTroll/root,davidlt/root,Duraznos/root,jrtomps/root,zzxuanyuan/root,omazapa/root-old,sawenzel/root,cxx-hep/root-cern,gganis/root,abhinavmoudgil95/root,ffurano/root5,CristinaCristescu/root,davidlt/root,strykejern/TTreeReader,esakellari/my_root_for_test