Rename Gradle subprojects

Envisaged naming is already available in settings.gradle files after merge of !90 (merged) as comments.

added To Do modul/benchmarks modul/benchmarks/flink modul/benchmarks/kstreams labels

changed title from Rename Gradle subprojects. to Rename Gradle subprojects

mentioned in merge request !90 (merged)

created merge request !100 (merged) to address this issue

mentioned in merge request !100 (merged)

added In Progress label and removed To Do label

added Under Review label and removed In Progress label

mentioned in commit 08d49abf

closed with merge request !100 (merged)

changed milestone to %0.4.0