Make db/api strip timezones for datetimes
Make db/api strip timezones for datetimes

Before objects, we always used TZ-naive dateteimes, but actually
in the UTC timezone. With objects, we use TZ-aware datetimes with
UTC as the zone. This makes the DB api strip out the timezone
before passing them to sqlalchemy, which expects naive ones.

Related to blueprint compute-api-objects

Change-Id: Id28378c6c68cabcc677bf8cf7b47a4446c397505

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