Iox #1010 unique id class

[elBoberido]

Pre-Review Checklist for the PR Author

1. Code follows the coding style of CONTRIBUTING.md
2. Tests follow the best practice for testing
3. Changelog updated in the unreleased section including API breaking changes
4. Branch follows the naming format (iox-#123-this-is-a-branch)
5. Commits messages are according to this guideline
   • Commit messages have the issue ID (iox-#123 commit text)
   • Commit messages are signed (git commit -s)
   • Commit author matches Eclipse Contributor Agreement (and ECA is signed)
6. Update the PR title
   • Follow the same conventions as for commit messages
   • Link to the relevant issue
7. Relevant issues are linked
8. Add sensible notes for the reviewer
9. All checks have passed (except task-list-completed)
10. Assign PR to reviewer

Notes for Reviewer

This is needed for #894

Checklist for the PR Reviewer

• Commits are properly organized and messages are according to the guideline
• Code according to our coding style and naming conventions
• Unit tests have been written for new behavior
• Public API changes are documented via doxygen
• Copyright owner are updated in the changed files
• PR title describes the changes

Post-review Checklist for the PR Author

1. All open points are addressed and tracked via issues

References

• Closes Process scoped unique ID #1010

[codecov]

Codecov Report

Merging #1011 (40bb509) into master (10a5506) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master    #1011   +/-   ##
=======================================
  Coverage   77.59%   77.60%           
=======================================
  Files         334      335    +1     
  Lines       12370    12372    +2     
  Branches     1840     1840           
=======================================
+ Hits         9599     9601    +2     
  Misses       2141     2141           
  Partials      630      630           

Flag	Coverage Δ
unittests	76.51% <100.00%> (+0.01%)	⬆️
unittests_timing	30.08% <0.00%> (-0.26%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
iceoryx_hoofs/source/cxx/unique_id.cpp	100.00% <100.00%> (ø)
iceoryx_hoofs/source/posix_wrapper/timer.cpp	62.44% <0.00%> (-0.85%)	⬇️
iceoryx_hoofs/source/concurrent/loffli.cpp	91.17% <0.00%> (+5.88%)	⬆️

[mossmaurice]

LGTM