Merge branch 'develop' into 'master'

...c/main/java/de/unikoblenz/fgbks/api/AppLifecycleBean.java

...i/src/main/java/de/unikoblenz/fgbks/api/Verification.java

...z/fgbks/core/dmn/verification/DmnVerificationService.java

...n/verification/metrics/DmnVerificationMetricsService.java

...nikoblenz/fgbks/core/dmn/verification/metrics/Metric.java

...oblenz/fgbks/core/dmn/verification/metrics/MetricSet.java

...gbks/core/dmn/verification/verifier/AbstractVerifier.java

...rification/verifier/config/AbstractDmnVerifierConfig.java

...mn/verification/verifier/config/DefaultConfiguration.java

...verification/verifier/types/AbstractVerificationType.java

...ifierapi/src/main/resources/META-INF/resources/index.html

dmnverifierparent/pom.xml