Fixed detection of a project in projects.txt
Fixed detection of a project in projects.txt

Before the fix, requirements soft-update was used for projects that are
in the file.

Change-Id: I095d42521f54b45a6b13837e2f8375fa04532faa
Closes-Bug: #1469067

ozamiatin/devstack,LoHChina/devstack,eharney/devstack,TwinkleChawla/devstack,LoHChina/devstack,bq-xiao/devstack,openstack-dev/devstack,upadhyay-prashant/devstack,dtroyer/devstack,j4/devstack,samgoon/devstack,olivierlemasle/devstack,liuquansheng47/devstack,vsham20/devstack,mc2014/devstack,openstack-dev/devstack,mssumanth/devstack,costingalan/devstack,parul24/devstack,group-policy/devstack,bswartz/devstack,avvocatodemarchis/devstack,bswartz/devstack,pombredanne/devstack,upadhyay-prashant/devstack,eharney/devstack,noironetworks/devstack,pczerkas/devstack,thomasem/devstack,flavio-fernandes/devstack,prithivm/branch01,atulpatil301/devstack,CloudServer/devstack,costingalan/devstack,dtroyer/devstack,atulpatil301/devstack,pczerkas/devstack,vsham20/devstack,j4/devstack,prithivm/branch01,dirkmueller/devstack,flavio-fernandes/devstack,vishnugonela/devstack,dirkmueller/devstack,bigswitch/devstack,vishnugonela/devstack,NaokiMiyata/devstack,CloudServer/devstack,ozamiatin/devstack,richliu/devstack,TwinkleChawla/devstack,bigswitch/devstack,mmasaki/devstack,herrsechs/devstack,NaokiMiyata/devstack,Mahito/devstack,pacinete/devstack,nawawi/openstack,thomasem/devstack,varunarya10/devstack,mc2014/devstack,mssumanth/devstack,wenhuizhang/devstack,mmasaki/devstack,nawawi/openstack,wenhuizhang/devstack,varunarya10/devstack,noironetworks/devstack,bq-xiao/devstack,Mahito/devstack,HPCHub/devstack,herrsechs/devstack,olivierlemasle/devstack,avvocatodemarchis/devstack,liuquansheng47/devstack,parul24/devstack,group-policy/devstack,pombredanne/devstack,samgoon/devstack,richliu/devstack,pacinete/devstack,HPCHub/devstack