Merge branch 'rnou/libc' into 'rnou/329-workloads-creating-a-lot-of-small-processes-may-become-inneficient'

# Conflicts:
#   .gitlab-ci.yml
#   CHANGELOG.md
#   examples/user_library/CMakeLists.txt
#   include/client/CMakeLists.txt
#   include/client/preload.hpp
#   scripts/profiles/0.9.4/arm.specs
#   scripts/profiles/0.9.4/default.specs
#   scripts/profiles/0.9.4/install/capstone.install
#   src/client/gkfs_libc.cpp
#   src/client/open_file_map.cpp
#   src/client/preload.cpp
#   tests/integration/operations/test_write_operations.py
#   tests/scripts/dl_dep.sh/0.9.4/arm.out

add rmdir