added option to strip path away when using rrdcached
enabled template for rrdcached updates
this essentially "expands" the template to a "normal" update
based on the structure from the file itself.
This structure is cached in a GTree until the process dies - no validation is done to check if the file changed in the meantime
Merge pull request #462 from msperl/master-cached+template

enable --template when using --daemon