shmem instead of findsharedmemory, and allow force posix shmem build option

added 26 commits

• 2c367fea...bb4fff37 - 22 commits from branch cds/software:master
• b2b71ec8 - Use SUDO_USER env var instead of hard coding controls user
• c76aa573 - Adding fpic to user build for pybind
• 71754b3f - Merge branch 'module-install-changes' of...
• ab2896b3 - Merge branch 'master' into userspace-shmem

Compare with previous version

added 4 commits

• f9bfb98e - Merge branch 'userspace-shmem' of git.ligo.org:ezekiel.dohmen/advligorts into...
• 4167698b - Adding needed include
• 56648b5b - Adding switch for shmem
• a40bf2a6 - Merge branch 'module-install-changes' into userspace-shmem

Compare with previous version

marked this merge request as ready

assigned to @erik.vonreis

merged

mentioned in commit 194b8e92

mentioned in merge request !219 (closed)