+ Add LICENSE_FILE * Correct LICENSE to GPLv3+ as in source code files' headers * Some linting * Use %%DATADIR%% instead of hardcoded paths in pkg-plist PR: 257178
+ Add LICENSE_FILE * Correct LICENSE to GPLv3+ as in source code files' headers * Some linting * Use %%DATADIR%% instead of hardcoded paths in pkg-plist PR: 257178