fix compatibility with 4.2
fallout from the 'add support for cppcheck version x' commits: remove duplicated rules
Merge pull request #176 from jmecosta/enhancement/unit-test-sensor-4.2

fix compatibility with 4.2
Make the plugin compatible with SonarQube 4.2 #187
use the adviced pattern in one place more
smoketests: add reports for some tools
smoketests: make it more tolerant against failure conditions
Merge remote-tracking branch 'upstream/master'