Reduce monitoring nu

Until a better monitoring is found, reduce the load on mysql.
Added DNS records for the hypervisor float interface
Fixed white space
Merge pull request #102 from caiush/float_dns_records

Float dns records
Merge pull request #101 from caiush/zabbix_update_freq

Reduce monitoring freq and metric retention
Remove per-tenancy NS records. Closes #108.
Merge pull request #109 from dspadea/ghi108_remove_extra_ns_records

Remove per-tenancy NS records.
switch to havana repos
got keystone working, but had to disable SSL
got glance updated and working
got cinder working
got nova working, but had to drop patches since they obviously won't work
got horizon working and had to patch up graphite since we jumped to django 1.5+
re-enable ssl for keystone service
first cut at heat api integration, but must use '--insecure' from the command
line since the client doesn't appear to use OS_CACERT from the env yet
aggregate heat logs with fluentd
fix for heat client to use correct SSL CA cert
got ceilometer installed and working, but requires "--insecure" still
refactor nova recipes to have common section
fix for ceilometer client to use correct SSL CA cert