fix documentation bug

allow to disable OpenSSL and microhttpd

fix how to enable dynamic linking

change variable names to disable or enable microhttpd and OpenSSL

- rename option `*_REQUIRED` to `*_ENABLE`
- allow to disable the dependency OpenSSL and microhttpd

add file version.h

- add file with version number
- add version number to the terminal output

fix wrong naming in CMake install

Bring dev up to speed

Merge into master

CPU autoconfig

fix amd stagger detection

disable prefetch by default

add psychocrypt to cmd output

- allow to disable prefetch on systems without hardware aes
- set default disable memory prefetch

speedup systems without huge memory pages

allow optional static linking

Increase the performance for systems without huge memory pages to the performance with huge pages.
Use 2 MiB alignment for memory allocations.

- add cmake option `CMAKE_LINK_STATIC`
- add missing `CMAKE_C_FLAGS`
- change documentation