Prevent master failover if we have wrong data
Prevent master failover if we have wrong data

If we don't actually know the current master (as determined via voting),
we prevent the failover.

The patch also changes some messages (capitalization, typos).

Reviewed-by: ultrotter

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