Fix for gcm tests.
Delete length argument from GCM_SET_KEY.
Comment fixes.
New gcm-aes interface.
Implemented chacha, based on contribution by Joachim Strömbergson.
Benchmarking of chacha.
Whitespace fixes.
x86_64: Added chacha assembly.
Use pshufhw + pshuflw for 16-bit rotate.
Updated release plans.
Add benchmarking for eax.
Use union nettle_block16 in eax structs.