libaec

The libaec repository, download page and everything else can now be found on our GlitLab server

https://gitlab.dkrz.de/k202009/libaec

Please update your links.

Some highlights from this release:

• Performance improvement for encoding pre-precessed data.
• More efficient coding of second extension if reference sample is present.
• Ported library to Windows (Visual Studio).
• Supported building with CMake.
• Benchmarking target using ECHAM data (make bench)