Open 80 port in order to allow Web access from outside.
Merge branch 'id/66' into dev
Checkout the Nagios configuration file from GitHub.

- Delete the default /etc/nagios directory.
- Checkout the nagios configuration from GitHub.
- Modify the permission of /etc/nagios.

This commit fixes #67.
Merge branch 'id/67' into dev
Delete the /etc/nagios directory recursively.

This commit fixes #68.
Merge branch 'id/68' into dev
Reload the Nagios configuration, after checking out.

This commit fixes #69.
Merge branch 'id/69' into dev
Install httping command.

Install httping command in order to enable
http response time monitoring by Nagios.

This commit fixes #82 and refs #81.
Merge branch 'id/82' into dev
Deploy git-ticket file to /usr/local/bin.

This commit fixes #34.
Merge branch 'id/34' into dev
Deploy template pre-commit-msg.

Insert the "refs #ticket-number" to the commit message.
This commit refs #34.
Merge branch 'id/34' into dev
Delete /etc/nagios directory only after the Nagios installation.

This commit fixes #83.
Merge branch 'id/83' into dev
Merge branch 'dev'