Add method SetVGName() to config.py
Add method SetVGName() to config.py

Reviewed-by: iustinp


yiannist/ganeti,apyrgio/snf-ganeti,grnet/snf-ganeti,dimara/ganeti,andir/ganeti,ganeti-github-testing/ganeti-test-1,ganeti/ganeti,apyrgio/ganeti,andir/ganeti,yiannist/ganeti,leshchevds/ganeti,yiannist/ganeti,ganeti/ganeti,bitemyapp/ganeti,bitemyapp/ganeti,andir/ganeti,ganeti/ganeti,onponomarev/ganeti,mbakke/ganeti,ganeti-github-testing/ganeti-test-1,mbakke/ganeti,mbakke/ganeti,leshchevds/ganeti,dimara/ganeti,leshchevds/ganeti,onponomarev/ganeti,grnet/snf-ganeti,apyrgio/snf-ganeti,apyrgio/ganeti