Camellia from https://github.com/calccrypto/Encryptions
Add RFC5581; The Camellia Cipher in OpenPGP.
Update Makefile.

Conflicts:
	Encryptions/Makefile
Add test for Camellia.
Merge branch 'rfc5581'

Conflicts:
	Encryptions/Makefile
	consts.h
	tests/testcases/Makefile