Change Details

Similar to XDG_DATA_DIRS defaulting to KDE_INSTALL_FULL_DATAROOTDIR, and some sensible constants, also make XDG_DATA_DIRS default to KDE_INSTALL_FULL_CONFDIR and some sensible constants.

Similar to XDG_DATA_DIRS defaulting to KDE_INSTALL_FULL_DATAROOTDIR, and some sensible constants, also make XDG_CONFIG_DIRS default to KDE_INSTALL_FULL_CONFDIR and some sensible constants.

Similar to XDG_DATA_DIRS defaulting to KDE_INSTALL_FULL_DATAROOTDIR, and some sensible constants, also make XDG_DATACONFIG_DIRS default to KDE_INSTALL_FULL_CONFDIR and some sensible constants.