Revert "SONAR-6044 Stop storing distribution of issue-related measures by rule"

This reverts commit 217d3d5d.

Conflicts:
	server/sonar-server/src/main/java/org/sonar/server/db/migrations/DatabaseMigrations.java
	sonar-core/src/main/java/org/sonar/core/persistence/DatabaseVersion.java
	sonar-core/src/main/resources/org/sonar/core/persistence/rows-h2.sql