Update changelog.
Update changelog.

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