proof/utils: make sure PARs are created under the build dir
proof/utils: make sure PARs are created under the build dir

To avoid issues with permissions.

root-mirror/root,gbitzes/root,agarciamontoro/root,mhuwiler/rootauto,Y--/root,buuck/root,davidlt/root,Y--/root,karies/root,karies/root,simonpf/root,Y--/root,buuck/root,gbitzes/root,bbockelm/root,agarciamontoro/root,zzxuanyuan/root,abhinavmoudgil95/root,gbitzes/root,pspe/root,zzxuanyuan/root-compressor-dummy,georgtroska/root,agarciamontoro/root,agarciamontoro/root,beniz/root,BerserkerTroll/root,agarciamontoro/root,mhuwiler/rootauto,gbitzes/root,zzxuanyuan/root-compressor-dummy,simonpf/root,BerserkerTroll/root,buuck/root,pspe/root,satyarth934/root,buuck/root,gganis/root,thomaskeck/root,karies/root,bbockelm/root,satyarth934/root,beniz/root,thomaskeck/root,gganis/root,gbitzes/root,buuck/root,abhinavmoudgil95/root,satyarth934/root,davidlt/root,BerserkerTroll/root,abhinavmoudgil95/root,georgtroska/root,satyarth934/root,zzxuanyuan/root,zzxuanyuan/root,zzxuanyuan/root-compressor-dummy,pspe/root,gganis/root,buuck/root,gganis/root,georgtroska/root,beniz/root,Y--/root,georgtroska/root,agarciamontoro/root,satyarth934/root,davidlt/root,zzxuanyuan/root,pspe/root,agarciamontoro/root,karies/root,georgtroska/root,zzxuanyuan/root,Y--/root,bbockelm/root,agarciamontoro/root,BerserkerTroll/root,beniz/root,satyarth934/root,olifre/root,satyarth934/root,abhinavmoudgil95/root,agarciamontoro/root,simonpf/root,thomaskeck/root,bbockelm/root,gbitzes/root,georgtroska/root,simonpf/root,BerserkerTroll/root,simonpf/root,satyarth934/root,buuck/root,georgtroska/root,zzxuanyuan/root,abhinavmoudgil95/root,mhuwiler/rootauto,karies/root,gganis/root,karies/root,mhuwiler/rootauto,buuck/root,pspe/root,mhuwiler/rootauto,olifre/root,olifre/root,pspe/root,thomaskeck/root,simonpf/root,olifre/root,Y--/root,pspe/root,satyarth934/root,mhuwiler/rootauto,bbockelm/root,buuck/root,simonpf/root,beniz/root,olifre/root,pspe/root,davidlt/root,gbitzes/root,root-mirror/root,davidlt/root,georgtroska/root,karies/root,olifre/root,abhinavmoudgil95/root,georgtroska/root,zzxuanyuan/root-compressor-dummy,zzxuanyuan/root,root-mirror/root,thomaskeck/root,simonpf/root,gganis/root,root-mirror/root,bbockelm/root,zzxuanyuan/root-compressor-dummy,BerserkerTroll/root,zzxuanyuan/root-compressor-dummy,bbockelm/root,Y--/root,BerserkerTroll/root,root-mirror/root,buuck/root,beniz/root,zzxuanyuan/root,root-mirror/root,agarciamontoro/root,thomaskeck/root,zzxuanyuan/root-compressor-dummy,beniz/root,gganis/root,davidlt/root,gganis/root,georgtroska/root,mhuwiler/rootauto,zzxuanyuan/root,olifre/root,zzxuanyuan/root-compressor-dummy,satyarth934/root,abhinavmoudgil95/root,simonpf/root,thomaskeck/root,thomaskeck/root,bbockelm/root,pspe/root,zzxuanyuan/root,BerserkerTroll/root,BerserkerTroll/root,abhinavmoudgil95/root,root-mirror/root,gbitzes/root,beniz/root,mhuwiler/rootauto,gbitzes/root,agarciamontoro/root,karies/root,gganis/root,abhinavmoudgil95/root,davidlt/root,bbockelm/root,zzxuanyuan/root-compressor-dummy,karies/root,Y--/root,satyarth934/root,zzxuanyuan/root,gganis/root,beniz/root,thomaskeck/root,zzxuanyuan/root,root-mirror/root,davidlt/root,gganis/root,abhinavmoudgil95/root,simonpf/root,buuck/root,root-mirror/root,BerserkerTroll/root,karies/root,simonpf/root,root-mirror/root,pspe/root,olifre/root,gbitzes/root,thomaskeck/root,Y--/root,Y--/root,mhuwiler/rootauto,olifre/root,mhuwiler/rootauto,root-mirror/root,Y--/root,beniz/root,georgtroska/root,olifre/root,BerserkerTroll/root,davidlt/root,abhinavmoudgil95/root,gbitzes/root,mhuwiler/rootauto,pspe/root,bbockelm/root,davidlt/root,zzxuanyuan/root-compressor-dummy,zzxuanyuan/root-compressor-dummy,beniz/root,karies/root,olifre/root,bbockelm/root,davidlt/root