Enhancement library improvements for nuster!

[osevan]

Pthread-embedded for Pthread.

LWIP for ip stack or http://www.f-stack.org/ from tencent.

Replace glibc with newlib x86 options

Replace stock zlib with Cloudflare Zlib.

Ability to use different mallocs like mimalloc

https://moodycamel.com/blog/2014/a-fast-general-purpose-lock-free-queue-for-c++.htm#benchmarks

Lockfree queue modycamel for nuster or writing some parts from scratch

Try -flto and profile guided optimization with -fprofile-generate and for second compile after benchmarking with -fprofile-use -fprofile-correction -fprofile-partial-training

Fix compile errors. ..

Thanks and

Best regards