Fix incorrect Bootloader documentation.

git-svn-id: http://lufa-lib.googlecode.com/svn@2608 d5102386-fcda-11dd-9fdb-3debd5008f28
Fix incorrect HEX extended address parsing in the Printer class bootloader.

git-svn-id: http://lufa-lib.googlecode.com/svn@2609 d5102386-fcda-11dd-9fdb-3debd5008f28