add same log warning for empty home var in OC\User\Manager, add tech debt todo
add same log warning for empty home var in OC\User\Manager, add tech debt todo

owncloud/core,pollopolea/core,pollopolea/core,owncloud/core,owncloud/core,phil-davis/core,pollopolea/core,pollopolea/core,owncloud/core,owncloud/core,pollopolea/core