support loading a cache
support loading statsd object
support graph templates. fixes #35
Cache should be configured before finders.

Should fix #47
Merge branch 'Dieterbe/support-templates'

* Dieterbe/support-templates:
  support graph templates. fixes #35
  support loading statsd object
  support loading a cache

Conflicts:
	docs/configuration.rst
	graphite_api/config.py
Merge branch 'Civil/master'

* Civil/master:
  Cache should be configured before finders.

Conflicts:
	graphite_api/config.py