Documentation updates for jqueue.py
Documentation updates for jqueue.py

Reviewed-by: imsnah


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