/cluster/show/:object_id can't render template.
"/config/list" is old. use "/config/worker/list" instead.
fix link to /clushter/show/:cluster_id
fixed human_readable call in template.

	Text::Xslate: Undefined function human_readable() is called on function call (.../stf/templates/bucket/view.html.tx:146) at local/lib/perl5/Mojolicious/Controller.pm line 179
Merge pull request #16 from walf443/master

fix link miss in admin page.