Minor refactor of plugin dsl
Dynamic custom template detection
Extend shared example to validate plugins' content. Content tests added.
Fix copy resource warning
Added collectd_processes_plugin fake lwrp with tests
Added Integration test 'creating custom plugin in a wrapper cookbook'
Rewrite LWRP to HWRP (fix wrapper bug)
Remove default plugins
Specs for plugins
Rewrite python plugin as HWRP
Added integration test for writting custom HWRP plugins for collectd