Handle 2.1.x bugs when do 21x to 22x DB upgrade:
Handle 2.1.x bugs when do 21x to 22x DB upgrade:

* remove records from load_balancer_vm_map if the parent record is missing in load_balancer table
* remove user vm records from vm_instance table when corresponding record is missing in user_vm table

mufaddalq/cloudstack-datera-driver,DaanHoogland/cloudstack,argv0/cloudstack,jcshen007/cloudstack,GabrielBrascher/cloudstack,jcshen007/cloudstack,argv0/cloudstack,DaanHoogland/cloudstack,resmo/cloudstack,resmo/cloudstack,argv0/cloudstack,GabrielBrascher/cloudstack,wido/cloudstack,jcshen007/cloudstack,wido/cloudstack,mufaddalq/cloudstack-datera-driver,GabrielBrascher/cloudstack,DaanHoogland/cloudstack,resmo/cloudstack,wido/cloudstack,GabrielBrascher/cloudstack,wido/cloudstack,mufaddalq/cloudstack-datera-driver,DaanHoogland/cloudstack,cinderella/incubator-cloudstack,mufaddalq/cloudstack-datera-driver,argv0/cloudstack,jcshen007/cloudstack,wido/cloudstack,wido/cloudstack,mufaddalq/cloudstack-datera-driver,cinderella/incubator-cloudstack,DaanHoogland/cloudstack,jcshen007/cloudstack,argv0/cloudstack,resmo/cloudstack,jcshen007/cloudstack,argv0/cloudstack,jcshen007/cloudstack,cinderella/incubator-cloudstack,DaanHoogland/cloudstack,wido/cloudstack,cinderella/incubator-cloudstack,resmo/cloudstack,GabrielBrascher/cloudstack,resmo/cloudstack,mufaddalq/cloudstack-datera-driver,resmo/cloudstack,DaanHoogland/cloudstack,GabrielBrascher/cloudstack,GabrielBrascher/cloudstack,cinderella/incubator-cloudstack