Sync iniparser from openstack-common.
Sync iniparser from openstack-common.

This patch pulls in the latest version of the iniparser module from
openstack-common.  It adds support for quoting option values.  For
example:

    foo = "option with a trailing space now works "

Change-Id: Ia2b6e1a7888ceb04e6befe3b221e3deef9f53f0b

sridevikoushik31/openstack,sridevikoushik31/nova,blueboxgroup/nova,isyippee/nova,Brocade-OpenSource/OpenStack-DNRM-Nova,JioCloud/nova,eayunstack/nova,dstroppa/openstack-smartos-nova-grizzly,tangfeixiong/nova,alaski/nova,raildo/nova,adelina-t/nova,petrutlucian94/nova_dev,takeshineshiro/nova,vladikr/nova_drafts,MountainWei/nova,sebrandon1/nova,rrader/nova-docker-plugin,devoid/nova,JianyuWang/nova,zzicewind/nova,usc-isi/nova,bclau/nova,yrobla/nova,spring-week-topos/nova-week,CiscoSystems/nova,citrix-openstack-build/nova,angdraug/nova,tudorvio/nova,alvarolopez/nova,thomasem/nova,houshengbo/nova_vmware_compute_driver,Tehsmash/nova,jianghuaw/nova,devoid/nova,double12gzh/nova,hanlind/nova,LoHChina/nova,j-carpentier/nova,openstack/nova,rickerc/nova_audit,alaski/nova,leilihh/nova,CEG-FYP-OpenStack/scheduler,ewindisch/nova,iuliat/nova,TwinkleChawla/nova,JianyuWang/nova,imsplitbit/nova,dims/nova,NewpTone/stacklab-nova,plumgrid/plumgrid-nova,mandeepdhami/nova,jeffrey4l/nova,saleemjaveds/https-github.com-openstack-nova,savi-dev/nova,sebrandon1/nova,double12gzh/nova,tudorvio/nova,belmiromoreira/nova,redhat-openstack/nova,fnordahl/nova,yosshy/nova,mmnelemane/nova,tealover/nova,mmnelemane/nova,yrobla/nova,dawnpower/nova,gspilio/nova,rajalokan/nova,rajalokan/nova,JioCloud/nova,fajoy/nova,OpenAcademy-OpenStack/nova-scheduler,sridevikoushik31/nova,TieWei/nova,savi-dev/nova,eonpatapon/nova,eonpatapon/nova,zaina/nova,NeCTAR-RC/nova,luogangyi/bcec-nova,mandeepdhami/nova,akash1808/nova_test_latest,Triv90/Nova,whitepages/nova,openstack/nova,leilihh/novaha,devendermishrajio/nova_test_latest,petrutlucian94/nova,badock/nova,NoBodyCam/TftpPxeBootBareMetal,qwefi/nova,felixma/nova,vmturbo/nova,dims/nova,Juniper/nova,savi-dev/nova,usc-isi/nova,cyx1231st/nova,Francis-Liu/animated-broccoli,takeshineshiro/nova,zhimin711/nova,ewindisch/nova,tianweizhang/nova,bigswitch/nova,dawnpower/nova,shootstar/novatest,viggates/nova,virtualopensystems/nova,barnsnake351/nova,maheshp/novatest,alexandrucoman/vbox-nova-driver,angdraug/nova,alvarolopez/nova,jianghuaw/nova,tanglei528/nova,Juniper/nova,Yuriy-Leonov/nova,petrutlucian94/nova_dev,cernops/nova,BeyondTheClouds/nova,saleemjaveds/https-github.com-openstack-nova,barnsnake351/nova,Yusuke1987/openstack_template,maelnor/nova,gooddata/openstack-nova,houshengbo/nova_vmware_compute_driver,eayunstack/nova,Francis-Liu/animated-broccoli,gspilio/nova,zaina/nova,projectcalico/calico-nova,rahulunair/nova,BeyondTheClouds/nova,NoBodyCam/TftpPxeBootBareMetal,maelnor/nova,imsplitbit/nova,ntt-sic/nova,maoy/zknova,vmturbo/nova,apporc/nova,berrange/nova,JioCloud/nova_test_latest,ruslanloman/nova,sridevikoushik31/nova,hanlind/nova,OpenAcademy-OpenStack/nova-scheduler,cloudbase/nova,cloudbau/nova,varunarya10/nova_test_latest,devendermishrajio/nova_test_latest,mikalstill/nova,maheshp/novatest,maoy/zknova,rajalokan/nova,projectcalico/calico-nova,BeyondTheClouds/nova,berrange/nova,vmturbo/nova,DirectXMan12/nova-hacking,mahak/nova,viggates/nova,phenoxim/nova,Triv90/Nova,orbitfp7/nova,fajoy/nova,LoHChina/nova,affo/nova,badock/nova,rahulunair/nova,sridevikoushik31/openstack,gooddata/openstack-nova,TwinkleChawla/nova,jianghuaw/nova,scripnichenko/nova,NoBodyCam/TftpPxeBootBareMetal,shahar-stratoscale/nova,akash1808/nova_test_latest,DirectXMan12/nova-hacking,hanlind/nova,gooddata/openstack-nova,rajalokan/nova,affo/nova,noironetworks/nova,spring-week-topos/nova-week,raildo/nova,Juniper/nova,usc-isi/nova,tianweizhang/nova,cloudbase/nova,qwefi/nova,leilihh/novaha,watonyweng/nova,JioCloud/nova_test_latest,ntt-sic/nova,bgxavier/nova,phenoxim/nova,sacharya/nova,cernops/nova,aristanetworks/arista-ovs-nova,cloudbase/nova-virtualbox,mgagne/nova,vmturbo/nova,j-carpentier/nova,ruslanloman/nova,DirectXMan12/nova-hacking,jeffrey4l/nova,bigswitch/nova,varunarya10/nova_test_latest,paulmathews/nova,zhimin711/nova,Metaswitch/calico-nova,TieWei/nova,Juniper/nova,adelina-t/nova,cernops/nova,maheshp/novatest,NeCTAR-RC/nova,joker946/nova,tanglei528/nova,tealover/nova,Triv90/Nova,MountainWei/nova,eharney/nova,cloudbase/nova-virtualbox,ted-gould/nova,silenceli/nova,shootstar/novatest,klmitch/nova,klmitch/nova,yrobla/nova,aristanetworks/arista-ovs-nova,fnordahl/nova,CCI-MOC/nova,edulramirez/nova,belmiromoreira/nova,yatinkumbhare/openstack-nova,noironetworks/nova,CCI-MOC/nova,whitepages/nova,Stavitsky/nova,tangfeixiong/nova,klmitch/nova,akash1808/nova,Brocade-OpenSource/OpenStack-DNRM-Nova,vladikr/nova_drafts,shahar-stratoscale/nova,bclau/nova,kimjaejoong/nova,rickerc/nova_audit,iuliat/nova,Yuriy-Leonov/nova,mgagne/nova,NewpTone/stacklab-nova,blueboxgroup/nova,openstack/nova,Yusuke1987/openstack_template,akash1808/nova,edulramirez/nova,plumgrid/plumgrid-nova,luogangyi/bcec-nova,CiscoSystems/nova,nikesh-mahalka/nova,dstroppa/openstack-smartos-nova-grizzly,yosshy/nova,bgxavier/nova,SUSE-Cloud/nova,alexandrucoman/vbox-nova-driver,joker946/nova,shail2810/nova,jianghuaw/nova,mahak/nova,sebrandon1/nova,CloudServer/nova,cyx1231st/nova,apporc/nova,Metaswitch/calico-nova,fajoy/nova,NewpTone/stacklab-nova,sacharya/nova,leilihh/nova,felixma/nova,rrader/nova-docker-plugin,redhat-openstack/nova,cloudbau/nova,CEG-FYP-OpenStack/scheduler,Stavitsky/nova,isyippee/nova,rahulunair/nova,nikesh-mahalka/nova,gspilio/nova,Tehsmash/nova,watonyweng/nova,cloudbase/nova,zzicewind/nova,houshengbo/nova_vmware_compute_driver,dstroppa/openstack-smartos-nova-grizzly,maoy/zknova,devendermishrajio/nova,citrix-openstack-build/nova,mahak/nova,orbitfp7/nova,klmitch/nova,yatinkumbhare/openstack-nova,ted-gould/nova,gooddata/openstack-nova,CloudServer/nova,eharney/nova,kimjaejoong/nova,scripnichenko/nova,sridevikoushik31/openstack,silenceli/nova,mikalstill/nova,devendermishrajio/nova,shail2810/nova,aristanetworks/arista-ovs-nova,paulmathews/nova,virtualopensystems/nova,paulmathews/nova,petrutlucian94/nova,SUSE-Cloud/nova,sridevikoushik31/nova,mikalstill/nova,thomasem/nova