Add two comments to qa-sample.yaml.
Add two comments to qa-sample.yaml.

Reviewed-by: iustinp


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