Download/criu/1.7

More flexible CGroups managing on restore
Support for seccomp strict mode
Support for stream unix sockets inheritance
Support for relative paths for unix sockets
Support uid/gid-restricted mounts in userns
In libcriu
- New set of calls using non-global opts
- Ability to pass existing connection to service
- Ability to start criu in swrk mode for all requests
Arch-specific improvements
- Altivec and PSX support for PPC
- PIEGEN (FIXME, how to declare it?)
- Preparations for 32-bit x86

CRIU binary couldn't be installed independently from man pages
Root dir ignored in install: target
Bug in restoring PPC floating point register
SYSVIPC shmem was not attached on restore with PPC
AIO ring ID was erroneously close()-d
After dump+kill tasks remained in zombie states
Race in zombies vs proc proxy tasks deaths resulted in restore spurious failure
Restore got stuck when CRIU was called with blocked SIGCHILD
Wrong page size value could be used on some ARM compilations
Potential memory corruption when restoring an LSM profile
Opened /dev/kmsg in WRONLY mode failed the restore
Weird paths on tmpfs caused tar to fail
Temporary cgroup mount set (cgyard) got propagated into the host tree
Crash when restoring netns from older images
Restore of inherited shared pipe failed
Spaces, tabs and backslashes in mountpoints' paths caused dump to fail
Tmpfs mounted with empty source caused dump to fail
Race between unix sockets' connect and listen may cause restore to fail
Multiple unix datagram clients restored server queue multiple times
The criu.pc file contained bad version when built from tarball
Deprecated -n option found in docs
On aarch64 the maximum virtual address available for user-space was wrongly hardcoded