Yubikey-neo-manager

** Correctly display mode for OTP+U2F devices.
** Don't display firmware in modes where firmware cannot be read.
** Display unsupported Yubico devices.
** Disable OTP+U2F combinations as they aren't currently usable.

** Removed usage of card manager keys for normal use.
** Added support for U2F modes (if hardware supports it).
** Better support for composite devices.

** Added the ability to view installed applet versions.
** Updated ykneomgr with ability to send custom APDUs.

** Support for installing/removing applets.
** Support for multiple NEOs.
** Better support for platform specific packaging.

** Initial release supporting mode changing.