snap naming scheme fix for both and old style named plugins (#8)
snap naming scheme fix for both and old style named plugins (#8)

Temporary fix for that Load(plugins) cannot accept plugins with new naming
style like snap-memcached-collector.

It is temporary solution, proper solution should rename old-style
plugins - consists TODO to indicate that. 
intelsdi-x/swan,intelsdi-x/swan,intelsdi-x/swan