remove /etc/nagios/nrpe.d
Merge pull request #77 from nhannguyen/nagios

remove /etc/nagios/nrpe.d
elasticsearch for rhel
start service
use packages.cogini.com
Merge pull request #78 from phunehehe/elasticsearch

Elasticsearch
utf8 for tarsnap
Merge pull request #79 from phunehehe/tarsnap

utf8 for tarsnap
no need for a postgrey template
Merge pull request #80 from phunehehe/postgrey

no need for a postgrey template