use readlink to find real path of where root-config is located. This fixes issues in case root/bin is symlinked.
use readlink to find real path of where root-config is located. This fixes
issues in case root/bin is symlinked.


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@27391 27541ba8-7e3a-0410-8455-c3a389f83636

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