Additional Checkstyle checks, that could be added as extension to EclipseCS plugin and maven-checkstyle-plugin, Sonar checkstyle plugin, extension for CheckStyle IDEA plugin.
Coverage remained the same at 98.798% when pulling f1ccefd0396f2243784b2c3ea59ae3a7d0f9111a on rnveach:config_move into f5396d439d3efd8abfb20145c37cbaa06a0f0016 on sevntu-checkstyle:master.
Similar to main repo, moves all config files to config folder for sevntu checks.