FTP parselist: fix "total" parser

A regression introduced in 7f3b87d8782eae1 (present in the 7.21.4 release)
broke the total parser. Now skip the whitespace and the digits.

Reported-by: Justin Maggard
Bug: http://curl.haxx.se/mail/lib-2014-01/0019.html
examples: Added IMAP CREATE example
examples: Added IMAP DELETE example
examples: Added IMAP COPY example