public SettingsDetails GetArnolyzerSettingsForProject(string filePath)
{
if (_mergedSettings != null) { return _mergedSettings; }
var projectSettings = GetProjectSpecificSettings(filePath, _settingsFileName);
var solutionSettings = AddSolutionWideSettings(filePath, projectSettings, _settingsFileName);
_mergedSettings = AddGlobalSettings(solutionSettings, _arnolyzerHome);
return _mergedSettings;
}