sonar api changes 4.2: upgrade common rules
Merge branch 'enhancement/common-rules-4.2' of git://github.com/jmecosta/sonar-cxx into jmecosta-enhancement/common-rules-4.2

Conflicts:
	sonar-cxx-plugin/src/test/java/org/sonar/plugins/cxx/CxxPluginTest.java
Merge branch 'master' of https://github.com/wenns/sonar-cxx