Mark repos with missing dir as invalid on startup (fixes #311)
Mark repos with missing dir as invalid on startup (fixes #311)

cherylquirion/syncthing,imsodin/syncthing,roth1002/syncthing,ZdenekBrichacek/syncthing,jbfavre/syncthing,le9i0nx/syncthing,norgeous/syncthing,kluppy/syncthing,trojanspike/syncthing,abhishekgahlot/syncthing,letiemble/syncthing,lkwg82/syncthing,Zillode/syncthing,arkhi/syncthing,toddleish/syncthing,plouj/syncthing,atyenoria/syncthing,wweich/syncthing,buinsky/syncthing,plouj/syncthing,mateon1/syncthing,jbfavre/syncthing,toddleish/syncthing,brgmnn/syncthing,gillisig/syncthing,canton7/syncthing,michalliu/whale,jryans/syncthing,cherylquirion/syncthing,jemmy655/syncthing,MinFu/syncthing,beni55/syncthing,beni55/syncthing,wweich/syncthing,syncthing/syncthing,michalliu/whale,josephyzhou/syncthing,nrm21/syncthing,alex2108/syncthing,indradhanush/syncthing,buinsky/syncthing,lkwg82/syncthing,imsodin/syncthing,makeTaller/syncthing,abhishekgahlot/syncthing,krig/syncthing,danieldc/syncthing,wweich/syncthing,tenebreux/syncthing,wweich/syncthing,modulexcite/syncthing,pembo210/syncthing,kralo/syncthing,itscaro/syncthing,buinsky/syncthing,jemmy655/syncthing,ProactiveServices/syncthing,xduugu/syncthing,printedheart/syncthing,YtvwlD/syncthing,tenebreux/syncthing,ZdenekBrichacek/syncthing,mateon1/syncthing,ralder/syncthing,norgeous/syncthing,Zillode/syncthing,burkemw3/syncthing,ralder/syncthing,butlife/syncthing,manveru/syncthing,uok/syncthing,danieldc/syncthing,manveru/syncthing,burkemw3/syncthing,plouj/syncthing,jryans/syncthing,wsgcsysadmin/syncthing,xduugu/syncthing,syncthing/syncthing,AudriusButkevicius/syncthing,mcanthony/syncthing,MinFu/syncthing,printedheart/syncthing,Kudalufi/syncthing,jgke/syncthing,letiemble/syncthing,kralo/syncthing,tenebreux/syncthing,canton7/syncthing,imsodin/syncthing,michalliu/whale,bigscoop/syncthing,ralder/syncthing,YtvwlD/syncthing,jbfavre/syncthing,ZdenekBrichacek/syncthing,kralo/syncthing,kralo/syncthing,Zillode/syncthing,bigscoop/syncthing,manveru/syncthing,josephyzhou/syncthing,modulexcite/syncthing,brgmnn/syncthing,butlife/syncthing,roth1002/syncthing,jryans/syncthing,ProactiveServices/syncthing,arkhi/syncthing,kc1212/syncthing,uok/syncthing,printedheart/syncthing,ralder/syncthing,cherylquirion/syncthing,beni55/syncthing,buinsky/syncthing,kluppy/syncthing,abhishekgahlot/syncthing,toddleish/syncthing,flyzjhz/syncthing,wsgcsysadmin/syncthing,pembo210/syncthing,jemmy655/syncthing,nrm21/syncthing,mcanthony/syncthing,alex2108/syncthing,guerrerocarlos/syncthing,krig/syncthing,toddleish/syncthing,makeTaller/syncthing,kamadak/syncthing,bigscoop/syncthing,roth1002/syncthing,letiemble/syncthing,mcanthony/syncthing,letiemble/syncthing,tenebreux/syncthing,trojanspike/syncthing,TheBigBear/syncthing,brgmnn/syncthing,jgke/syncthing,YtvwlD/syncthing,alex2108/syncthing,atyenoria/syncthing,wsgcsysadmin/syncthing,gillisig/syncthing,syncthing/syncthing,trojanspike/syncthing,lkwg82/syncthing,burkemw3/syncthing,uok/syncthing,jgke/syncthing,imsodin/syncthing,TheBigBear/syncthing,le9i0nx/syncthing,nrm21/syncthing,guerrerocarlos/syncthing,xduugu/syncthing,syncthing/syncthing,jbfavre/syncthing,itscaro/syncthing,printedheart/syncthing,modulexcite/syncthing,le9i0nx/syncthing,guerrerocarlos/syncthing,danieldc/syncthing,brgmnn/syncthing,kc1212/syncthing,jgke/syncthing,guerrerocarlos/syncthing,butlife/syncthing,jryans/syncthing,norgeous/syncthing,rumpelsepp/syncthing,michalliu/whale,itscaro/syncthing,mateon1/syncthing,AudriusButkevicius/syncthing,imsodin/syncthing,arkhi/syncthing,roth1002/syncthing,itscaro/syncthing,kc1212/syncthing,danieldc/syncthing,rumpelsepp/syncthing,wsgcsysadmin/syncthing,AudriusButkevicius/syncthing,plouj/syncthing,flyzjhz/syncthing,MinFu/syncthing,kattunga/syncthing,gillisig/syncthing,jemmy655/syncthing,krig/syncthing,makeTaller/syncthing,butlife/syncthing,burkemw3/syncthing,gillisig/syncthing,AudriusButkevicius/syncthing,indradhanush/syncthing,lkwg82/syncthing,pembo210/syncthing,uok/syncthing,krig/syncthing,canton7/syncthing,arkhi/syncthing,atyenoria/syncthing,indradhanush/syncthing,rumpelsepp/syncthing,kluppy/syncthing,Zillode/syncthing,YtvwlD/syncthing,cherylquirion/syncthing,kozec/syncthing,indradhanush/syncthing,xduugu/syncthing,norgeous/syncthing,atyenoria/syncthing,kluppy/syncthing,syncthing/syncthing,ZdenekBrichacek/syncthing,TheBigBear/syncthing,bigscoop/syncthing,trojanspike/syncthing,alex2108/syncthing,Kudalufi/syncthing,ProactiveServices/syncthing,nrm21/syncthing,MinFu/syncthing,kamadak/syncthing,pembo210/syncthing,abhishekgahlot/syncthing,Kudalufi/syncthing,canton7/syncthing,flyzjhz/syncthing,josephyzhou/syncthing,kozec/syncthing,kamadak/syncthing,mcanthony/syncthing,kattunga/syncthing,kattunga/syncthing,TheBigBear/syncthing,flyzjhz/syncthing,kamadak/syncthing,makeTaller/syncthing,mateon1/syncthing,le9i0nx/syncthing,rumpelsepp/syncthing,kc1212/syncthing,syncthing/syncthing,kozec/syncthing,ProactiveServices/syncthing,kozec/syncthing,modulexcite/syncthing,manveru/syncthing,Kudalufi/syncthing,kattunga/syncthing,josephyzhou/syncthing,beni55/syncthing