add a "GList *authtypes", so you can get the list of authtypes used by a

add a "GList *authtypes", so you can get the list of authtypes used by a

	* camel-provider.h: (CamelProvider) add a "GList *authtypes", so
	you can get the list of authtypes used by a provider without
	needing to have an actual CamelService object handy. (Will be
	needed by the new config druid.)
	(CAMEL_PROVIDER_ALLOWS, CAMEL_PROVIDER_NEEDS): New macros to test
	the URL part stuff, since the way it works is too complicated and
	everyone always does it wrong.

	* camel-service.c (camel_service_query_auth_types): Remove the
	@connected arg again: if you don't want to connect, you can just
	get the list of authtypes off the provider.
	(camel_service_free_auth_types): Remove this. All existing
	implementations do authtypes the same way, so just say the caller
	should "g_list_free" the list. (Oh, look, removing this function
	doesn't actually cause the mailer to not build. How 'bout that.)
	(construct, get_path): Use the new URL part macros.

	* camel-remote-store.c (remote_query_auth_types): Update
	(remote_free_auth_types): Nuke
	(camel_remote_store_authtype_list): New function for use by
	subclasses.

	* providers/imap/camel-imap-provider.c:
	* providers/pop3/camel-pop3-provider.c:
	* providers/smtp/camel-smtp-provider.c: Update CamelProvider
	structures.
	(camel_provider_module_init): Put all the SSL parts together so
	there's only 1 #ifdef. Set up the provider authtypes field using
	the SASL, CamelRemoteStore, and standard authtypes, as
	appropriate. Copy that from the normal provider to the SSL
	provider.

	* providers/local/camel-local-provider.c:
	* providers/sendmail/camel-sendmail-provider.c:
	* camel-session.c: Update CamelProvider structures.

	* providers/imap/camel-imap-store.c (query_auth_types):
	* providers/pop3/camel-pop3-store.c (query_auth_types): Update

	* providers/smtp/camel-smtp-store.c (query_auth_types): Update.
	Remove the no_authtype, because that's what "ALLOW_AUTH" rather
	than "NEED_AUTH" means.
	(free_auth_types): Nuke.