Merge pull request SonarOpenCommunity#480 from guwirth/RC1

prepare v0.9.3-RC1

Release 0.9.2

Tags the v0.9.1 release

[maven-release-plugin] copy for tag cxx-0.9

[maven-release-plugin] copy for tag sonar-cxx-plugin-0.2

[maven-release-plugin] prepare release sonar-cxx-plugin-0.1