issue #80: Creating release v0.8

CHANGELOG.md

@@ -0,0 +1,15 @@
+# Metadata Quality Assessment Framework API Changelog
+
+## v0.8 (2022-03-16)
+
+- improve the rule checking mechanisms: adding IDs, minWords and maxWords checkers, content type checker, optimizing OR checker and range rules, successScore and failureScore
+- improve rule output
+- new schema parameters: indexField, unique, inactive
+- new measurement configuration parameters: onlyIdInHeader, indexer, AnnotationCalculator
+- field extractor is independent from recordId and is enabled only if there are extractable fields in the schema
+- improve documentation: a section about quality diemnsions
+- improving XML namespace handling.
+- better CSV support
+- changing to Java 11
+- internal refactoring and decoupling of classes
+- adding several tools to developer workflow: sonarcloud.io, coveralls, codecov, GitHub action

pom.xml

@@ -5,7 +5,7 @@
   <groupId>de.gwdg.metadataqa</groupId>
   <artifactId>metadata-qa-api</artifactId>
   <packaging>jar</packaging>
-  <version>0.8-SNAPSHOT</version>
+  <version>0.8</version>
   <name>Metadata Quality Assurance Framework API</name>
   <description>
     A metadata quality assurance framework. It checks some metrics of