Recategorize Metrics

Metrics is definitely not in the "Code Analysis" category, as it doesn't
analyse code. It's a library, not a tool like SonarQube or FindBugs.
Fix some spelling mistakes
Update README.md

Added:
Logging > logstash
REST Frameworks > swookiee
Visualization > kibana
Merge pull request #36 from acisternino/master

Added Hazelcast.
Merge pull request #33 from fpavageau/small_fixes

Small fixes
Update README.md

Substituted awesome-awesome link for awesome-python
Update README.md
Update README.md

Sorted via awesome-python/sort.py
Update README.md

Fixed ordering added 'Search' topic which I forgot.
Update CONTRIBUTING.md

Added statement regarding self-promotion
Delete TOPICS.md
Update README.md

Added:
Miscellaneous > AspectJ