multiproc: fix warnings, cosmetics
multiproc: fix warnings, cosmetics

 1. Move Collect after HandlePoolCode to fix several warnings about template specialization
 2. Fix inconsistent format specification in a coupe of cases
 3. Remove end '\n' in Error statements (already added by Error)

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