[PRD-999] add nodes internal addresses into hosts file for name resolution
add dhcp_checker package on centos node
Add /dump alias for Nginx to retrive logs from /var/www/nailgun/dump
Merge pull request #577 from e0ne/nailgun-logs-dump

Add /dump alias for Nginx to retrive logs from /var/www/nailgun/dump
delete fuel_test
Merge pull request #573 from dshulyak/feature/dhcp_checker_on_centos

add dhcp_checker package on centos node
Merge pull request #578 from monroid/delete_fuel_test

[tests] Delete old test's stuff
correct dependencey for apache
Merge pull request #580 from Zipfer/apache_api_proxy

correct dependencey for apache
[PRD-999] Add custom function and use Puppet Host

Add nodes_to_hosts converter function
Rewrite manifest to use Puppet builtin Host type
Trigger create_resources for Host generation
[PRD-999] remove unneeded template
Merge pull request #550 from Mirantis/prd999

[PRD-999] add nodes internal addresses into hosts file for name resoluti...
[PRD-999] move hosts_file class call in os_common
Merge pull request #582 from Mirantis/prd999

[PRD-999] move hosts_file class call in os_common
Fix hosts file creation class
Merge pull request #583 from monroid/fix_hosts

Fix hosts file creation class
[PRD-1871] fix race condition for nailyfacts
Merge pull request #586 from Mirantis/prd1871

[PRD-1871] fix race condition for nailyfacts
enable apache mod_proxy for ubuntu
Merge pull request #588 from Zipfer/apache_api_proxy

enable apache mod_proxy for ubuntu