Related to https://issues.jboss.org/browse/DROOLS-3731

This task will cover this use case:

• user creates a DMN model
• user creates a Test Scenario with some scenarios
• user executes the Test Scenario
• user open Coverage Report
• user wants to analyze coverage information of the whole simulation
• user clicks on "a link" near global coverage information
• user lands on DMN editor with overlay information about number of time each decision has been executed, number of time each decision succeed/fail (maybe with different colors?)