Include `monit.rb`.

This commit refs #98.
Install prerequisite gems.

This commit refs #98.
Deploy the configuration file for monitoring /var/log/monit.log.

This commit refs #98.
Deploy the configuration file for processing /var/log/monit.log.

This commit refs #98.
Merge pull request #98 from kazu634/id/98

[td-agent] monit.log監視用の設定ファイルを追加する