message: Add clang_args support
diff: @@ -14,11 +14,23 @@ bool EndsWith(const std::string& value, const std::string& ending) {
  return std::equal(ending.rbegin(), ending.rend(), value.rbegin());
  }
  +bool StartsWith(const std::string& value, const std::string& start) {
  + return std::equal(start.begin(), start.end(), value.begin());
  +}
  +
  std::vector<CompilationEntry> LoadFromDirectoryListing(const std::string& project_directory) {
  std::vector<CompilationEntry> result;
  - std::vector<std::string> files = GetFilesInFolder(project_directory, false /*add_folder_to_path*/);
  + std::vector<std::string> args;
  + for (const std::string& line : ReadLines(project_directory + "/clang_args")) {
  + if (line.empty() || StartsWith(line, "#"))
  + continue;
  + std::cerr << "Adding argument " << line << std::endl;
  + args.push_back(line);
  + }
  +
  + std::vector<std::string> files = GetFilesInFolder(project_directory, true /*recursive*/, false /*add_folder_to_path*/);
  for (const std::string& file : files) {
  if (EndsWith(file, ".cc") || EndsWith(file, ".cpp") ||
  EndsWith(file, ".c") || EndsWith(file, ".h") ||
  