Upgrade to JavaMail 1.5.6

  CHANGES IN THE 1.5.6 RELEASE
		  ----------------------------
The following bugs have been fixed in the 1.5.6 release.

K  7091	Support LogRecord.setMillis being deprecated in JDK 9
K  7092	Logging should support LogRecord.getInstant
K  7097	Create common super class for logging tests
K  7140	NPE by APOP detection when no greeting banner
K  7150	Make IMAPProtocol.handleLoginResult protected
K  7151	InternetAddress.parse fails for valid domain literal address
K  7238	unsolicited FETCH response *must* invalidate X-GM-LABELS in cache
K  7332	MimeBodyPart.isMimeType returns false if type header can't be parsed
K  7356	NPE in Tomcat ClassLoader causes Session.getInstance to fail
K  7378	Deadlock in IMAPFolder.doProtocolCommand()
K  7471	InternetAddress.getLocalAddress should use
	InetAddress.getCanonicalHostName
K  7472	Store finalizers should not talk to server
K  7506	MailHandler verify should load additional content handlers
K  7512	NullPointerException if SASL is enabled on Android
K  7513	write timeouts don't work with SSL on Android
K  7529	JavaMail allows injection of unwanted headers
K  7536	Message.setRecipient(type, null) should remove recipients


		  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


		  CHANGES IN THE 1.5.3 RELEASE
		  ----------------------------
The following bugs have been fixed in the 1.5.3 release.

K  6379	Make constructor of POP3Folder protected to allow subclassing
K  6407	calling IdleManager.watch twice on same folder fails
K  6430	NPE in IMAPFolder.copyUIDMessages when COPYUID not returned
K  6496	Message-Id leaks current user/hostname of the Java process (security)
K  6498	IMAP idle breaks interrupt flag
K  6526	Date search terms result in wrong greater-than SEARCH commands for IMAP
K  6535	address similar to (x)(z) will throw StringIndexOutOfBoundsException
K  6551	Update logging demos to use the new 1.5.2 features
K  6552	Use classloader ergonomics in the MailHandler
K  6585	ArrayIndexOutOfBoundsException in IMAPFolder.copyUIDMessages
K  6638	attachment filenames aren't being encoded by default
K  6644	Include javadoc example formats for logging.
K  6657	SharedFileInputStream has problems with 2GB+ files
K  6667	MimeBodyPart with copied DataHandler doesn't always set encoding
K  6668	skip unusable Store and Transport classes
K  6687	long parameter values should be split using RFC 2231
K  6703	javax.mail.Authenticator thread safety
K  6718	Modify MailHandler to support Google App Engine.
K  6755	EXPUNGE response during UID FETCH breaks UID->seqnum mapping
K  6762	ArrayIndexOutOfBoundsException caused by out-of-range IMAP responses
K  6772	write timeouts don't work with a custom SSL socket factory
K  6778	SMTP SASL DIGEST-MD5 fails on postfix since the last reply sent is "*"


		  CHANGES IN THE 1.5.2 RELEASE
		  ----------------------------
The following bugs have been fixed in the 1.5.2 release.

K  5820	allow IMAP search to throw SearchException when search is too complex
K  6181	NullPointerException at IMAPFolder#getMessagesByUID if msg not found
K  6201	add option to use canonical host name for SASL
K  6203	IMAP astring parsing incorrect
K  6207	SMTP SASL support doesn't handle authentication failure properly
K  6208	SASL authentication failures should not try other methods
K  6238	add OAuth2 support to JavaMail
K  6260	IMAP failures during close can leave connection unusable
K  6261	need way to monitor IMAP responses
K  6274	MimeUtility.encodeText() does not work with Unicode surrogate pairs
K  6283	IMAP alerts and notifications are not sent during authentication
K  6324	add ability to fetch and cache entire IMAP message
K  6325	add ability to return server-specific STATUS responses
K  6326	add ability to set "peek" flag for all IMAP messages
K  6327	add ability to specify scope of event queue
K  6328	add ability to specify an Executor to process events
K  6336	handle multiple IMAP BODY elements in a single FETCH response
K  6352	add more efficient way to monitor multiple folders for new messages
K  6353	Include a subject formatter for the logging package
K  6365	Broken equals in URLName, NewsAddress
K  6366	NullPointerException in ContentType.match
K  6367	hashCode of two equals instances does not match for ModifiedSinceTerm,
	YoungerTerm, OlderTerm
K  6368	NullPointerException in InternetAddress


		  CHANGES IN THE 1.5.1 RELEASE
		  ----------------------------
The following bugs have been fixed in the 1.5.1 release.

K  5901	Wrong "source" version in build.properties
K  5924	IMAP provider should support the QRESYNC extension (RFC 5162)
K  5925	IMAP provider should support the WITHIN search extension (RFC 5032)
K  5933	JavaMail does not handle write timeouts
K  5934	method fill() isn't synchronized correctly in SharedFileInputStream
K  5978	NullPointerException in MimeUtility#quote()
K  5987	support RFC 2359 COPYUID response code
K  5989	Empty FROM Field causes Exception
K  6004	Filename isn't parsed correctly if charset is not set
K  6072	copying a DataHandler from a parsed message to a new message fails
K  6102	MimeMessage does not unfold address headers before parsing them
K  6108	When using XGWTRUSTEDAPP mechanism, LOGIN should not be issued if no
	authzid is specified
K  6125	support empty IMAP ENVELOPE address list instead of NIL
K  6137	JavaMail should support the IMAP ID extension
K  6141	Typo: "mechansims"
K  6160	Exchange returns out of range message numbers for SEARCH
K  6161	require extra permission to create default Session with SecurityManager


		  CHANGES IN THE 1.5.0 RELEASE
		  ----------------------------
The following bugs have been fixed in the 1.5.0 release.

K  5682	add FetchProfile.Item.SIZE
K  5683	fix protected fields in final classes in javax.mail.search
K  5684	add MimeMultipart(String subtype, BodyPart... bps) constructor
K  5685	exceptions should support exception chaining
K  5686	ParameterList needs to support use by IMAP
K  5687	ContentType.toString & ContentDisposition.toString shouldn't return null
K  5689	add Transport.send(msg, username, password) method
K  5690	add MimeMessage.setFrom(String) method
K  5691	add Message.getSession() method
K  5692	MimeBodyPart.attachFile should set the disposition to ATTACHMENT
K  5693	add MimeMessage.reply(replyToAll, setAnswered) method
K  5694	add "next" methods to HeaderTokenizer to help parsing bad headers
K  5743	add @MailSessionDefinition and @MailSessionDefinitions for Java EE 7
K  5769	make cachedContent field protected in MimeMessage and MimeBodyPart
K  5770	make MimeMultipart fields protected to allow subclassing
K  5818	need simple way to override MIME type and encoding of attachment
K  5819	enable RFC 2231 support by default
K  5847	Exception when parsing bad address with unclosed quote in mail header
K  5861	when failing to connect to a server, provide more detail in exception