The message can be a bit too verbose sometimes

Implement TALP collective functions for node and POP metrics

Closes #176 and #140

See merge request dlb/dlb!42

Close #176

Close #140

Close #165

Resolve "TALP: save report to file"

Closes #162

See merge request dlb/dlb!41

* Both pop-metrics and pop-raw are supported
* Formats: .json, .xml, .csv, .txt

Close #158 and #159

Close #160

Fix some DROM issues

See merge request dlb/dlb!40

The issue was caused when a process was registering with a preinit_pid
but with a mask different to the parent process.

Do not destroy shmem mutex

See merge request dlb/dlb!39

See #155