[*] fixed java doc bugs

[+] code adaptation for meet JC 2.2.2 specification

Package: javacard.framework

Class: APDU
Class description
Added comments on header format for extended length transfers
Defines the extended length tagging Interface  - " javacardx.apdu.ExtendedLength"
Added note about the APDU Case number notation used in method descriptions
Method getCLAChannel 
returns a channel number between 0-19
New methods isISOInterindustryCLA, isCommandChainingCLA, isSecureMessagingCLA
convenience methods for parsing CLA format
New methods getIncomingLength, getOffsetCData
convenience methods for managing extended length APDU
Methods setOutgoing() and setOutgoingNoChaining()
Added note to methods to require previous call to setIncomingAndReceive() for case 4
Added comments on semantics for  extended length transfers
Added sentence to say that the method must only be called in APDU case 2 and 4
Methods  setIncomingAndReceive ()
Added comments on semantics for  extended length transfers
Added sentence to say that the method must only be called  in APDU case 3 or 4
Methods  setOutgoingLength ()
Clarified that ILLEGAL_USE exception if setOutgoing() or setOutgoingNoChaining() not previously called
Methods getCurrentAPDU () and getCurrentAPDUBuffer ()
Clarified in method description that these must be called during the Applet.process() method

Class: Applet
Class description
Added comments on optional tagging interface for extended length transfers
Method process()
Added comments on semantics for  extended length transfers

Interface: ISO7816
New constant fields:  SW_LAST_COMMAND_EXPECTED and SW_COMMAND_CHAINING_NOT_SUPPORTED
Response status words to support ISO7816-4:2005 defined command chaining
Reworded definition of SW_LOGICAL_CHANNEL_NOT_SUPPORTED to be more generic.

Class: Util
  Methods getShort() and setShort()
  Fixed typo in ArrayIndexOutOfBoundsException clause
 
Package: javacard.security

New Interface: KoreanSEEDKey
- Key interface to encapsulate Korean SEED algorithm keys
  
Class: MessageDigest
- Methods update() and doFinal()
Throw exception if the accumulated length exceeds algorithm specific maximum