**CMake lists**: link Zlib;
include libs for UT during compilation.
**prapare script**: add path to regular ocf_env files;
ignore 'memcpy' functions when copied to wrappers.
**cleaning policy**: update of some functions for proper use of atomics.
Signed-off-by: Slawomir_Jankowski <slawomir.jankowski@intel.com>
