Log Message:
Update libetpan to version 1.6.
Update homepage.

changelog:
1.6:
    Improved RFC822 and MIME parser
    Implemented SEARCH using LITERAL+ for Gmail
    Fixed SSL connections (don't force SSLv3)
1.5:
    Gmail search features: X-GM-MSGID, X-GM-THRID, X-GM-RAW
    Added POP stat
    Various fixes for Windows
    Fixed OpenSSL / GnuTLS implementation of retrieval of certificates
    Fixed IMAP IDLE in case of COMPRESS-ed streams
    Fixed base64 encoding
1.4:
    Gmail search features: X-GM-MSGID, X-GM-THRID, X-GM-RAW
    Added POP stat
    Various fixes for Windows
    Fixed OpenSSL / GnuTLS implementation of retrieval of certificates
    Fixed IMAP IDLE in case of COMPRESS-ed streams
    Fixed base64 encoding