added new exception cinderclient.ConnectionError
added new exception cinderclient.ConnectionError

Introduced new exception cinderclient.ConnectionError
with the change  I37da522e812286e72706409b8a6d4652515f720f.

Adding the exception cinderclient.ConnectionError to the
RECOVERABLE list solves the issues described in the
bug ##1207635.

fixes bug #1207635

Change-Id: I6b90343e79433fe554d84df1db65e096c8ed4423

karthik-suresh/horizon,blueboxgroup/horizon,redhat-openstack/horizon,spring-week-topos/horizon-week,tsufiev/horizon,icloudrnd/automation_tools,nvoron23/avos,takeshineshiro/horizon,FNST-OpenStack/horizon,davidcusatis/horizon,philoniare/horizon,Hodorable/0602,endorphinl/horizon,redhat-openstack/horizon,orbitfp7/horizon,idjaw/horizon,gerrive/horizon,zouyapeng/horizon,anthonydillon/horizon,karthik-suresh/horizon,yanheven/console,maestro-hybrid-cloud/horizon,tqtran7/horizon,Dark-Hacker/horizon,aaronorosen/horizon-congress,Mirantis/mos-horizon,Daniex/horizon,bigswitch/horizon,django-leonardo/horizon,tsufiev/horizon,JioCloud/horizon,ging/horizon,newrocknj/horizon,Solinea/horizon,ging/horizon,agileblaze/OpenStackTwoFactorAuthentication,Mirantis/mos-horizon,gochist/horizon,anthonydillon/horizon,xinwu/horizon,mrunge/horizon_lib,icloudrnd/automation_tools,coreycb/horizon,ikargis/horizon_fod,Hodorable/0602,ChameleonCloud/horizon,mrunge/horizon_lib,zouyapeng/horizon,vladryk/horizon,bac/horizon,froyobin/horizon,liyitest/rr,wangxiangyu/horizon,tqtran7/horizon,maestro-hybrid-cloud/horizon,tellesnobrega/horizon,pranavtendolkr/horizon,ikargis/horizon_fod,yjxtogo/horizon,JioCloud/horizon,davidcusatis/horizon,CiscoSystems/avos,noironetworks/horizon,Metaswitch/horizon,tanglei528/horizon,flochaz/horizon,kfox1111/horizon,RudoCris/horizon,icloudrnd/automation_tools,takeshineshiro/horizon,spring-week-topos/horizon-week,RudoCris/horizon,idjaw/horizon,wolverineav/horizon,django-leonardo/horizon,j4/horizon,CiscoSystems/avos,yanheven/console,CiscoSystems/horizon,redhat-openstack/horizon,Hodorable/0602,dan1/horizon-proto,ikargis/horizon_fod,redhat-cip/horizon,openstack/horizon,philoniare/horizon,mdavid/horizon,mrunge/openstack_horizon,agileblaze/OpenStackTwoFactorAuthentication,yeming233/horizon,orbitfp7/horizon,wangxiangyu/horizon,takeshineshiro/horizon,Mirantis/mos-horizon,ChameleonCloud/horizon,vladryk/horizon,mrunge/horizon_lib,sandvine/horizon,tellesnobrega/horizon,yjxtogo/horizon,anthonydillon/horizon,aaronorosen/horizon-congress,maestro-hybrid-cloud/horizon,saydulk/horizon,mdavid/horizon,karthik-suresh/horizon,Mirantis/mos-horizon,FNST-OpenStack/horizon,openstack/horizon,newrocknj/horizon,sandvine/horizon,wolverineav/horizon,watonyweng/horizon,damien-dg/horizon,bac/horizon,henaras/horizon,wangxiangyu/horizon,CiscoSystems/horizon,pranavtendolkr/horizon,CiscoSystems/horizon,NCI-Cloud/horizon,henaras/horizon,henaras/horizon,nvoron23/avos,Daniex/horizon,VaneCloud/horizon,flochaz/horizon,tqtran7/horizon,watonyweng/horizon,redhat-openstack/horizon,mandeepdhami/horizon,Metaswitch/horizon,Dark-Hacker/horizon,blueboxgroup/horizon,nvoron23/avos,RudoCris/horizon,doug-fish/horizon,blueboxgroup/horizon,Dark-Hacker/horizon,bac/horizon,Solinea/horizon,tqtran7/horizon,newrocknj/horizon,mrunge/openstack_horizon,endorphinl/horizon,kfox1111/horizon,BiznetGIO/horizon,xme1226/horizon,dan1/horizon-proto,NeCTAR-RC/horizon,liyitest/rr,maestro-hybrid-cloud/horizon,NeCTAR-RC/horizon,eayunstack/horizon,Tesora/tesora-horizon,noironetworks/horizon,yeming233/horizon,agileblaze/OpenStackTwoFactorAuthentication,CiscoSystems/avos,flochaz/horizon,xinwu/horizon,watonyweng/horizon,openstack/horizon,mandeepdhami/horizon,j4/horizon,gerrive/horizon,vladryk/horizon,damien-dg/horizon,doug-fish/horizon,wolverineav/horizon,promptworks/horizon,noironetworks/horizon,izadorozhna/dashboard_integration_tests,saydulk/horizon,NCI-Cloud/horizon,bac/horizon,pranavtendolkr/horizon,liyitest/rr,zouyapeng/horizon,tsufiev/horizon,mrunge/openstack_horizon,wangxiangyu/horizon,tellesnobrega/horizon,karthik-suresh/horizon,luhanhan/horizon,henaras/horizon,FNST-OpenStack/horizon,kfox1111/horizon,promptworks/horizon,sandvine/horizon,mdavid/horizon,Hodorable/0602,Tesora/tesora-horizon,VaneCloud/horizon,sandvine/horizon,tanglei528/horizon,luhanhan/horizon,xme1226/horizon,davidcusatis/horizon,redhat-cip/horizon,bigswitch/horizon,gerrive/horizon,j4/horizon,luhanhan/horizon,flochaz/horizon,NeCTAR-RC/horizon,redhat-cip/horizon,anthonydillon/horizon,gochist/horizon,endorphinl/horizon,VaneCloud/horizon,idjaw/horizon,ging/horizon,endorphinl/horizon-fork,liyitest/rr,bigswitch/horizon,j4/horizon,dan1/horizon-proto,bigswitch/horizon,orbitfp7/horizon,tellesnobrega/horizon,django-leonardo/horizon,takeshineshiro/horizon,Metaswitch/horizon,eayunstack/horizon,endorphinl/horizon-fork,vladryk/horizon,CiscoSystems/horizon,Solinea/horizon,yanheven/console,froyobin/horizon,dan1/horizon-proto,agileblaze/OpenStackTwoFactorAuthentication,promptworks/horizon,izadorozhna/dashboard_integration_tests,xme1226/horizon,promptworks/horizon,watonyweng/horizon,Solinea/horizon,damien-dg/horizon,tanglei528/horizon,newrocknj/horizon,NCI-Cloud/horizon,damien-dg/horizon,endorphinl/horizon-fork,FNST-OpenStack/horizon,yeming233/horizon,dan1/horizon-x509,CiscoSystems/avos,BiznetGIO/horizon,orbitfp7/horizon,saydulk/horizon,noironetworks/horizon,gochist/horizon,dan1/horizon-x509,coreycb/horizon,openstack/horizon,ging/horizon,doug-fish/horizon,Tesora/tesora-horizon,yjxtogo/horizon,Metaswitch/horizon,endorphinl/horizon-fork,ChameleonCloud/horizon,xinwu/horizon,Daniex/horizon,dan1/horizon-x509,blueboxgroup/horizon,xinwu/horizon,wolverineav/horizon,gerrive/horizon,mandeepdhami/horizon,NeCTAR-RC/horizon,redhat-cip/horizon,VaneCloud/horizon,luhanhan/horizon,icloudrnd/automation_tools,coreycb/horizon,zouyapeng/horizon,endorphinl/horizon,idjaw/horizon,mrunge/horizon,davidcusatis/horizon,doug-fish/horizon,eayunstack/horizon,JioCloud/horizon,philoniare/horizon,aaronorosen/horizon-congress,froyobin/horizon,BiznetGIO/horizon,philoniare/horizon,django-leonardo/horizon,yjxtogo/horizon,yeming233/horizon,BiznetGIO/horizon,pranavtendolkr/horizon,saydulk/horizon,kfox1111/horizon,RudoCris/horizon,mrunge/horizon,nvoron23/avos,dan1/horizon-x509,mrunge/horizon,coreycb/horizon,mandeepdhami/horizon,Tesora/tesora-horizon,NCI-Cloud/horizon,Dark-Hacker/horizon,spring-week-topos/horizon-week,mdavid/horizon,tsufiev/horizon,Daniex/horizon,ChameleonCloud/horizon