Refactor conf sample generator script
Refactor conf sample generator script

Optimized grep calls to not create a grep process per file.
Defined variables to enhance readability.

Change-Id: Ic873f2c3b600a737ce54444dec973720c8813285

Brocade-OpenSource/OpenStack-DNRM-Nova,tanglei528/nova,ewindisch/nova,zhimin711/nova,mikalstill/nova,BeyondTheClouds/nova,belmiromoreira/nova,DirectXMan12/nova-hacking,mahak/nova,Francis-Liu/animated-broccoli,Brocade-OpenSource/OpenStack-DNRM-Nova,Metaswitch/calico-nova,klmitch/nova,imsplitbit/nova,petrutlucian94/nova_dev,thomasem/nova,tianweizhang/nova,apporc/nova,shail2810/nova,projectcalico/calico-nova,sebrandon1/nova,devendermishrajio/nova_test_latest,DirectXMan12/nova-hacking,Yusuke1987/openstack_template,eharney/nova,klmitch/nova,eonpatapon/nova,alvarolopez/nova,akash1808/nova,joker946/nova,scripnichenko/nova,shail2810/nova,klmitch/nova,cernops/nova,saleemjaveds/https-github.com-openstack-nova,cloudbau/nova,eayunstack/nova,varunarya10/nova_test_latest,noironetworks/nova,takeshineshiro/nova,CiscoSystems/nova,devendermishrajio/nova,mgagne/nova,CCI-MOC/nova,berrange/nova,ruslanloman/nova,silenceli/nova,cloudbase/nova-virtualbox,bigswitch/nova,tudorvio/nova,isyippee/nova,gooddata/openstack-nova,viggates/nova,openstack/nova,mahak/nova,dims/nova,openstack/nova,Metaswitch/calico-nova,OpenAcademy-OpenStack/nova-scheduler,JioCloud/nova,zzicewind/nova,mikalstill/nova,NeCTAR-RC/nova,klmitch/nova,double12gzh/nova,jianghuaw/nova,felixma/nova,yatinkumbhare/openstack-nova,badock/nova,vmturbo/nova,badock/nova,barnsnake351/nova,saleemjaveds/https-github.com-openstack-nova,mandeepdhami/nova,shahar-stratoscale/nova,orbitfp7/nova,apporc/nova,qwefi/nova,alaski/nova,rahulunair/nova,sacharya/nova,eonpatapon/nova,petrutlucian94/nova,adelina-t/nova,CiscoSystems/nova,akash1808/nova_test_latest,vmturbo/nova,TieWei/nova,qwefi/nova,maelnor/nova,isyippee/nova,cloudbase/nova,varunarya10/nova_test_latest,iuliat/nova,virtualopensystems/nova,cernops/nova,hanlind/nova,rrader/nova-docker-plugin,whitepages/nova,devendermishrajio/nova_test_latest,eharney/nova,projectcalico/calico-nova,rajalokan/nova,cernops/nova,TwinkleChawla/nova,tangfeixiong/nova,leilihh/novaha,iuliat/nova,fnordahl/nova,rahulunair/nova,edulramirez/nova,j-carpentier/nova,luogangyi/bcec-nova,mandeepdhami/nova,barnsnake351/nova,spring-week-topos/nova-week,LoHChina/nova,orbitfp7/nova,jianghuaw/nova,rajalokan/nova,Tehsmash/nova,nikesh-mahalka/nova,rickerc/nova_audit,zaina/nova,adelina-t/nova,spring-week-topos/nova-week,jianghuaw/nova,silenceli/nova,CEG-FYP-OpenStack/scheduler,jianghuaw/nova,MountainWei/nova,double12gzh/nova,Stavitsky/nova,devendermishrajio/nova,alaski/nova,bgxavier/nova,maelnor/nova,plumgrid/plumgrid-nova,alexandrucoman/vbox-nova-driver,bgxavier/nova,nikesh-mahalka/nova,mgagne/nova,vladikr/nova_drafts,eayunstack/nova,Juniper/nova,devoid/nova,yatinkumbhare/openstack-nova,CloudServer/nova,tudorvio/nova,Yuriy-Leonov/nova,zzicewind/nova,dims/nova,cloudbase/nova,hanlind/nova,redhat-openstack/nova,imsplitbit/nova,MountainWei/nova,leilihh/nova,petrutlucian94/nova,NeCTAR-RC/nova,redhat-openstack/nova,Juniper/nova,Yuriy-Leonov/nova,gooddata/openstack-nova,ted-gould/nova,kimjaejoong/nova,tianweizhang/nova,OpenAcademy-OpenStack/nova-scheduler,leilihh/novaha,berrange/nova,phenoxim/nova,SUSE-Cloud/nova,alexandrucoman/vbox-nova-driver,mmnelemane/nova,TieWei/nova,shahar-stratoscale/nova,scripnichenko/nova,bclau/nova,raildo/nova,yosshy/nova,Stavitsky/nova,CCI-MOC/nova,gooddata/openstack-nova,kimjaejoong/nova,citrix-openstack-build/nova,openstack/nova,TwinkleChawla/nova,angdraug/nova,alvarolopez/nova,gooddata/openstack-nova,SUSE-Cloud/nova,vmturbo/nova,bigswitch/nova,felixma/nova,cyx1231st/nova,vmturbo/nova,jeffrey4l/nova,devoid/nova,sebrandon1/nova,affo/nova,rickerc/nova_audit,tangfeixiong/nova,ted-gould/nova,ntt-sic/nova,dawnpower/nova,LoHChina/nova,citrix-openstack-build/nova,angdraug/nova,shootstar/novatest,mahak/nova,akash1808/nova,Juniper/nova,cloudbau/nova,JioCloud/nova_test_latest,tealover/nova,BeyondTheClouds/nova,JioCloud/nova,DirectXMan12/nova-hacking,hanlind/nova,ntt-sic/nova,whitepages/nova,viggates/nova,cloudbase/nova-virtualbox,virtualopensystems/nova,fnordahl/nova,affo/nova,dawnpower/nova,zaina/nova,tanglei528/nova,vladikr/nova_drafts,rajalokan/nova,watonyweng/nova,JianyuWang/nova,takeshineshiro/nova,JianyuWang/nova,Francis-Liu/animated-broccoli,sacharya/nova,Tehsmash/nova,CloudServer/nova,thomasem/nova,noironetworks/nova,cyx1231st/nova,zhimin711/nova,rajalokan/nova,edulramirez/nova,shootstar/novatest,raildo/nova,mmnelemane/nova,j-carpentier/nova,mikalstill/nova,akash1808/nova_test_latest,Juniper/nova,rahulunair/nova,leilihh/nova,yosshy/nova,BeyondTheClouds/nova,ruslanloman/nova,phenoxim/nova,Yusuke1987/openstack_template,petrutlucian94/nova_dev,rrader/nova-docker-plugin,sebrandon1/nova,JioCloud/nova_test_latest,CEG-FYP-OpenStack/scheduler,blueboxgroup/nova,joker946/nova,blueboxgroup/nova,watonyweng/nova,bclau/nova,belmiromoreira/nova,cloudbase/nova,ewindisch/nova,plumgrid/plumgrid-nova,jeffrey4l/nova,luogangyi/bcec-nova,tealover/nova