Add SIMD for row operations add, div and multiply-add.

Signed-off-by: Anders Martinsson <anders.martinsson@intinor.se>

The OTI fields and the symbol id are all in big endian.
We used the host endianness instead. fix that.

Ticket #22

Signed-off-by: Luca Fulchir <luker@fenrirproject.org>

add ability for the decoder to clear the data, so that the memory
can be reused again.

Signed-off-by: Luca Fulchir <luker@fenrirproject.org>

Spaces, not tabs.

Actually, I liked tabs much more. But it seems a lot
of IDEs and general reader do not handle them correctly,
or do not let you configure "1 tab == 4 spaces", so the code
was not always readable.

"git diff -w" for this commit is en empty list.

Signed-off-by: Luca Fulchir <luker@fenrirproject.org>

An other commit towards #2

Signed-off-by: Luca Fulchir <luker@fenrirproject.org>

Start portability for VC++14. Still unfinished.

Also simplify a bit locking in RFC calls.

Signed-off-by: Luca Fulchir <luker@fenrirproject.org>