Merge pull request #22 from mixalturek/master

[JENKINS-24007] Put a warning about report in legacy format to build log
Merge pull request #23 from mixalturek/master

[JENKINS-24037] CPPCheck Plugin: You need "worspace" message instead of ...
Merge pull request #25 from mixalturek/master

[JENKINS-24834] CPP check report background colours not displaying for n...
Merge pull request #26 from mixalturek/master

[JENKINS-23247] Display trends graph last 10/20 sucessful/fail builds in...
[maven-release-plugin] prepare release cppcheck-1.20
[maven-release-plugin] prepare for next development iteration