Handle keepAlive message received from the other end of the connection
Fix some issues with EMV - c and cn data types
Merge remote-tracking branch 'upstream/master'

Conflicts:
	jpos/src/main/java/org/jpos/tlv/TLVDataFormat.java
Merge remote-tracking branch 'upstream/master'
Merge pull request #58 from vishnupillai/master

Fix some issues with EMV - c and cn data types
Handle keepAlive message on BaseChannel