[evolution-ews] EEwsBackend: Add some comments.

[Matthew Barnes <mbarnes src gnome org>]

commit e15e362b899e80aa955bf2dc15379d1be8be0b6f
Author: Matthew Barnes <mbarnes redhat com>
Date:   Fri Aug 3 18:45:14 2012 -0400

    EEwsBackend: Add some comments.

 src/collection/e-ews-backend.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/src/collection/e-ews-backend.c b/src/collection/e-ews-backend.c
index 03af86d..4f6879b 100644
--- a/src/collection/e-ews-backend.c
+++ b/src/collection/e-ews-backend.c
@@ -734,17 +734,19 @@ ews_backend_create_resource_sync (ECollectionBackend *backend,
 		const gchar *cache_dir;
 		const gchar *parent_uid;
 
+		/* Configure the source as a collection member. */
 		parent_source = e_backend_get_source (E_BACKEND (backend));
 		parent_uid = e_source_get_uid (parent_source);
 		e_source_set_parent (source, parent_uid);
 
+		/* Changes should be written back to the cache directory. */
 		cache_dir = e_collection_backend_get_cache_dir (backend);
 		e_server_side_source_set_write_directory (
 			E_SERVER_SIDE_SOURCE (source), cache_dir);
 
+		/* Set permissions for clients. */
 		e_server_side_source_set_writable (
 			E_SERVER_SIDE_SOURCE (source), TRUE);
-
 		e_server_side_source_set_remote_deletable (
 			E_SERVER_SIDE_SOURCE (source), TRUE);