Version 1.1 update.

* Added fb_connect method. It needs valid 'access_token' var.
* Added validate_auth_cookie method. It needs 'cookie' var.
* Added generate_auth_cookie method. It needs 'nonce' var.
* Added delete_user_meta method. It needs 'cookie' and 'meta_key' var and 'meta_value' to delete.
* Added update_user_meta method. It needs 'cookie' and 'meta_key' var and 'meta_value' to update.
* Added get_user_meta method. It needs 'user_id'. 'meta_key' var is optional.
* Added xprofile method. It needs 'user_id' and any profile 'field' var.
* Added xprofile_update method. It needs 'cookie' and any profile 'field' var and 'value'.

git-svn-id: https://plugins.svn.wordpress.org/json-api-user/trunk@936952 b8457f37-d9ea-0310-8a92-e5e31aec5664