Add missing encode_data() method to the Gridscale Connection class.
Add missing encode_data() method to the Gridscale Connection class.

Without id, Logging connection won't be aware that the data needs to be
encoded as JSON and it won't work (actual HTTP requests would still work
because it relies on underlying requests behavior, but that's not
ideal).

mistio/libcloud,Kami/libcloud,Kami/libcloud,apache/libcloud,ByteInternet/libcloud,apache/libcloud,ByteInternet/libcloud,andrewsomething/libcloud,apache/libcloud,ByteInternet/libcloud,andrewsomething/libcloud,mistio/libcloud,mistio/libcloud,Kami/libcloud,andrewsomething/libcloud