Performance analysis tools

See merge request !84

Unit test for reading samples in the padding area.

See merge request !83

Add commented-out CopySubset shortcut

See merge request !82

Single brick shortcut

See merge request !81

Malloc tweak

See merge request !80

Add -T, --uthreads option to zgycopyc. As -t, --threads but sacrifice optimal ordering for increased parallelization. This makes OpenZGY zgycopyc more similar to ZGY-Public zgycopy.

Sync with devops changes

See merge request !79

Include azure-storage-blobs-cpp in the build. This may speed up access to Azure Storage on the Linux builds of OpenZGY and ZGY-Cloud.

Correctly flag a ZGY file as v3 or v4

See merge request !78

Add support for updating existing files also on the cloud

See merge request !77

Add code to re-open the last segment in a cloud file. Add unit tests for update on cloud both at the FileADT level and at the IZgyWriter level.

Kvamme62/zgycopyc misc

See merge request !76