Install api-paste.ini and policy.json
Install api-paste.ini and policy.json

This is related to this Heat change, and Heat on Devstack will not work
while only one of these changes is applied:
Consolidated api-paste.ini file
https://review.openstack.org/#/c/27384/

Change-Id: Iba02b56173f796de5348289247233c8765f83ac2

sc68cal/devstack,vsham20/devstack,richliu/devstack,neerja28/Devstack_GlusterFS,srics/devstack,nuxeh/devstack,varunarya10/devstack,deepakselvaraj/devstack,group-policy/devstack,varunarya10/devstack,j4/devstack,flavio-fernandes/devstack,herrsechs/devstack,CiscoSystems/devstack,olivierlemasle/devstack,NaokiMiyata/devstack,virtualopensystems/devstack,LoHChina/devstack,prithivm/branch01,vsham20/devstack,TwinkleChawla/devstack,BSJAIN92/OpenStack,liuquansheng47/devstack,bljgaurav/openstack-test,mmasaki/devstack,atulpatil301/devstack,bswartz/devstack,prithivm/branch01,Juniper/devstack,liuquansheng47/devstack,Mahito/devstack,upadhyay-prashant/devstack,atulpatil301/devstack,LoHChina/devstack,HPCHub/devstack,jamielennox/devstack,avvocatodemarchis/devstack,Mahito/devstack,mmasaki/devstack,rushiagr/devstack,tianweizhang/devstack,pczerkas/devstack,CloudServer/devstack,bq-xiao/devstack,noironetworks/devstack,dtroyer/devstack,yamt/devstack,upadhyay-prashant/devstack,dtroyer/devstack,Millnert/contrail-devstack,innodee/openstackk,affo/devstack,samgoon/devstack,sc68cal/devstack,pczerkas/devstack,eshnil2000/devstack,mssumanth/devstack,noironetworks/devstack,parul24/devstack,promptworks/devstack,NaokiMiyata/devstack,bswartz/devstack,williamthegrey/devstack,CloudServer/devstack,eharney/devstack,sequenceiq/devstack,j4/devstack,HPCHub/devstack,richliu/devstack,vishnugonela/devstack,bljgaurav/openstack-test,andrewrothstein/devstack,flavio-fernandes/devstack,inkerra/devstack,eharney/devstack,ozamiatin/devstack,nawawi/openstack,bq-xiao/devstack,avvocatodemarchis/devstack,parul24/devstack,rushiagr/devstack,dirkmueller/devstack,Yuriy-Leonov/devstack,mc2014/devstack,bigswitch/devstack,nawawi/openstack,costingalan/devstack,thomasem/devstack,andrewrothstein/devstack,pombredanne/devstack,ozamiatin/devstack,TwinkleChawla/devstack,sequenceiq/devstack,wenhuizhang/devstack,armando-migliaccio/devstack,kplus/devstack-moonshot,costingalan/devstack,group-policy/devstack,affo/devstack,vishnugonela/devstack,openstack-dev/devstack,openstack-dev/devstack,mssumanth/devstack,tianweizhang/devstack,herrsechs/devstack,pacinete/devstack,pacinete/devstack,olivierlemasle/devstack,nuxeh/devstack,samgoon/devstack,neerja28/Devstack_GlusterFS,kplus/devstack-moonshot,BSJAIN92/OpenStack,promptworks/devstack,bigswitch/devstack,JioCloud/devstack,thomasem/devstack,wenhuizhang/devstack,pombredanne/devstack,mc2014/devstack,dirkmueller/devstack