ftp: fix remaining issues to make tests work

* fix root
  * factor ftpConnection
  * fix path munging
  * fix recursive dir loops after update
  * use fs.Trace and comment out debugs
  * re-arrange and supplement docs

docs/content/about.md

@@ -24,8 +24,8 @@ Rclone is a command line program to sync files and directories to and from
   * Backblaze B2
   * Yandex Disk
   * SFTP
-  * The local filesystem
   * FTP
+  * The local filesystem
 
 Features
 

docs/content/ftp.md

@@ -7,29 +7,117 @@ date: "2017-01-01"
 <i class="fa fa-file"></i> FTP
 ------------------------------
 
-FTP support is provided via
+FTP is the File Transfer Protocl. FTP support is provided using the
 [github.com/jlaffaye/ftp](https://godoc.org/github.com/jlaffaye/ftp)
 package.
 
-### Configuration ###
+Here is an example of making an FTP configuration.  First run
 
-An Ftp backend only needs an Url and and username and password. With
+    rclone config
+
+This will guide you through an interactive setup process. An FTP
+backend only needs an URL and and username and password. With
 anonymous FTP server you will need to use `anonymous` as username and
 your email address as password.
 
-Example:
 ```
+No remotes found - make a new one
+n) New remote
+r) Rename remote
+c) Copy remote
+s) Set configuration password
+q) Quit config
+n/r/c/s/q> n
+name> remote
+Type of storage to configure.
+Choose a number from below, or type in your own value
+ 1 / Amazon Drive
+   \ "amazon cloud drive"
+ 2 / Amazon S3 (also Dreamhost, Ceph, Minio)
+   \ "s3"
+ 3 / Backblaze B2
+   \ "b2"
+ 4 / Dropbox
+   \ "dropbox"
+ 5 / Encrypt/Decrypt a remote
+   \ "crypt"
+ 6 / FTP interface
+   \ "ftp"
+ 7 / Google Cloud Storage (this is not Google Drive)
+   \ "google cloud storage"
+ 8 / Google Drive
+   \ "drive"
+ 9 / Hubic
+   \ "hubic"
+10 / Local Disk
+   \ "local"
+11 / Microsoft OneDrive
+   \ "onedrive"
+12 / Openstack Swift (Rackspace Cloud Files, Memset Memstore, OVH)
+   \ "swift"
+13 / SSH/SFTP Connection
+   \ "sftp"
+14 / Yandex Disk
+   \ "yandex"
+Storage> ftp
+Username
+username> anonymous
+Password
+y) Yes type in my own password
+g) Generate random password
+y/g> y
+Enter the password:
+password:
+Confirm the password:
+password:
+FTP URL
+url> ftp://ftp.mirrorservice.org/
+Remote config
+--------------------
 [remote]
-type = Ftp
 username = anonymous
-password = john.snow@example.org
-url = ftp://ftp.kernel.org/pub
+password = *** ENCRYPTED ***
+url = ftp://ftp.mirrorservice.org/
+--------------------
+y) Yes this is OK
+e) Edit this remote
+d) Delete this remote
+y/e/d> y
 ```
 
-### Unsupported features ###
+This remote is called `remote` and can now be used like this
 
-FTP backends does not support:
+See all directories in the home directory
 
-* Any hash mechanism
-* Modified Time
-* remote copy/move
+    rclone lsd remote:
+
+Make a new directory
+
+    rclone mkdir remote:path/to/directory
+
+List the contents of a directory
+
+    rclone ls remote:path/to/directory
+
+Sync `/home/local/directory` to the remote directory, deleting any
+excess files in the directory.
+
+    rclone sync /home/local/directory remote:directory
+
+### Modified time ###
+
+FTP does not support modified times.  Any times you see on the server
+will be time of upload.
+
+### Checksums ###
+
+FTP does not support any checksums.
+
+### Limitations ###
+
+Note that since FTP isn't HTTP based the following flags don't work
+with it: `--dump-headers`, `--dump-bodies`, `--dump-auth`
+
+Note that `--timeout` and `--contimeout` aren't supported.
+
+FTP could support server side move but doesn't yet.

docs/layouts/chrome/navbar.html

@@ -61,6 +61,7 @@
                     <li><a href="/local/"><i class="fa fa-file"></i> Local</a></li>
                     <li><a href="/yandex/"><i class="fa fa-space-shuttle"></i> Yandex Disk</a></li>
                     <li><a href="/sftp/"><i class="fa fa-server"></i> SFTP</a></li>
+                    <li><a href="/ftp/"><i class="fa fa-file"></i> FTP</a></li>
                     <li><a href="/crypt/"><i class="fa fa-lock"></i> Crypt (encrypts the above)</a></li>
                   </ul>
                 </li>