Narrow sonar coverage exclusions

- Remove **/Application.java and **/*Bootstrap.java patterns (no matches in repo)
- Scope multiapps-controller-api exclusion to model/** only, so v1/v2 REST controllers are covered

Author: stiv03

sonar-project.properties

@@ -11,11 +11,9 @@ sonar.exclusions=\
 sonar.coverage.exclusions=\
     multiapps-controller-core-test/**,\
     multiapps-controller-persistence-test/**,\
-    multiapps-controller-api/**,\
+    multiapps-controller-api/**/model/**,\
     **/target/generated-sources/**,\
     **/Immutable*.java,\
-    **/Application.java,\
-    **/*Bootstrap.java,\
     **/DatabaseConfiguration.java,\
     **/FlowableConfiguration.java,\
     **/FlowableServicesConfiguration.java,\