* @param appVersion Application version (e.g. "1.2.3")
* @param appDirName Application directory name used for
* subdirectories in /usr, /etc ~/.
* @param appDir Absolute application directory (e.g. /opt/qcad)
* defaults to current directory.
*/
* @param appVersion Application version (e.g. "1.2.3")
* @param appDirName Application directory name used for
* subdirectories in /usr, /etc ~/.
* @param appDir Absolute application directory (e.g. /opt/qcad)
* defaults to current directory.
*/