Update config walk throughs with new style choice menu

docs/content/b2.md

@@ -26,19 +26,31 @@ n) New remote
 q) Quit config
 n/q> n
 name> remote
-What type of source is it?
-Choose a number from below
- 1) amazon cloud drive
- 2) b2
- 3) drive
- 4) dropbox
- 5) google cloud storage
- 6) swift
- 7) hubic
- 8) local
- 9) onedrive
-10) s3
-type> 2
+Type of storage to configure.
+Choose a number from below, or type in your own value
+ 1 / Amazon Cloud Drive
+   \ "amazon cloud drive"
+ 2 / Amazon S3 (also Dreamhost, Ceph)
+   \ "s3"
+ 3 / Backblaze B2
+   \ "b2"
+ 4 / Dropbox
+   \ "dropbox"
+ 5 / Google Cloud Storage (this is not Google Drive)
+   \ "google cloud storage"
+ 6 / Google Drive
+   \ "drive"
+ 7 / Hubic
+   \ "hubic"
+ 8 / Local Disk
+   \ "local"
+ 9 / Microsoft OneDrive
+   \ "onedrive"
+10 / Openstack Swift (Rackspace Cloud Files, Memset Memstore, OVH)
+   \ "swift"
+11 / Yandex Disk
+   \ "yandex"
+Storage> 3
 Account ID
 account> 123456789abc
 Application Key