Set maas_rally default alarm_consecutive_count to 3
Set maas_rally default alarm_consecutive_count to 3

This commit changes the default alarm_consecutive_count for maas_rally from 2
to 3.  This is in line with the default used for other checks.

briancurtin/rpc-maas,npawelek/rpc-maas,cfarquhar/rpc-maas,npawelek/rpc-maas,briancurtin/rpc-maas,briancurtin/rpc-maas,npawelek/rpc-maas,cloudnull/rpc-maas,cloudnull/rpc-maas,cfarquhar/rpc-maas,cloudnull/rpc-maas,cfarquhar/rpc-maas