Update Javax.mail to 1.5.5

CHANGES IN THE 1.5.5 RELEASE
----------------------------
The following bugs have been fixed in the 1.5.5 release.

K 6886 add support for setting GMail labels on messages
K 6905 Add spam filter for use with MailHandler.
K 6907 Address MailDateFormat issues
K 6938 Typo in "mail.stmp.sendpartial"
K 6943 mail.mime.encodefilename property should override RFC 2231 encoding
K 6964 IMAP should support a mail.imap.auth.mechanisms property like SMTP
K 6965 setting mail..auth.mechanisms should override
mail..auth..disable
K 6966 add support for OAuth 2.0 without SASL
K 6973 capability() command doesn't properly transform errors
K 6989 MailHandler needs better support for stateful filters.
K 6997 add support for IMAP login referrals (RFC 2221)
K 7009 whitespace line at beginning confuses InternetHeaders
K 7014 IndexOutOfBoundsException reading IMAP literal when connection fails
K 7019 IdleManager dies with CancelledKeyException
K 7026 IdleManager can deadlock when not busy
K 7027 IMAP Folder methods throw runtime exceptions when connection drops
K 7028 InternetAddress doesn't detect some illegal newlines
K 7030 Status class doesn't decode mailbox name
K 7035 add support for IMAP COMPRESS extension (RFC 4978)
K 7052 Empty Gmail X-GM-LABELS list is misparsed
K 7075 IMAPMessage.getReceivedDate should check if receivedDate is present
before loading envelope
K 7083 CollectorFormatter descending order data race
K 7090 off-by-1 error in Response.readStringList causes early termination of
parsing FETCH response
K 7094 INTERNALDATE FetchProfile Item
K 7104 Exchange returns NIL instead of "" for empty parameter, causing NPE

CHANGES IN THE 1.5.4 RELEASE
----------------------------
The following bugs have been fixed in the 1.5.4 release.

K 6719 Include elapsed time, thread id, and sequence for logging formatters.
K 6767 MailHandlerTest does not check field is static or final
K 6804 IdleManager can deadlock with frequent notifications
K 6817 IdleManager can deadlock when connection fails
K 6824 IMAP provider should support the MOVE extension (RFC 6851)
K 6840 MODSEQ should be stored in IMAPMessage if CONDSTORE is enabled
K 6844 Space character lost from end of quoted-printable body parts
K 6850 GmailMessage extensions are not cached after implicit FETCH
K 6852 IMAP message sets should be sorted in cases where order doesn't matter
K 6860 ID command shouldn't escape NIL value
K 6863 Make IMAPProtocol class extendable