Add dependency on monit recipe.

This commit refs #104.
Restart munin-node, if it seems not to work properly.

Restart munin-node, either of these two conditions:

- PID of the munin-node is not listed when executing ps command.
- The 4949 port of the localhost does not respond.

This commit fixes #104.
Omit the unnecessary comment-out to enbale the first delay of monit check.

This commit fixes #107.
Add dependency on monit.

This commit refs #101.
Add monit configuration file for nginx.

This commit refs #101.
Add monit configuration file for nginx.

This commit fixes #101.
Merge branch 'id/101' into dev

Conflicts:
	nodes/vm-dev.json