parsing: Added __nonzero__ for settings. At least Fixture is used in boolean context currently in user keyword teardowns. This change avoids doing some unnecessary work there.
parsing: Added __nonzero__ for settings. At least Fixture is used in boolean context currently in user keyword teardowns. This change avoids doing some unnecessary work there.

ldtri0209/robotframework,ldtri0209/robotframework,ldtri0209/robotframework,ldtri0209/robotframework,ldtri0209/robotframework,waldenner/robotframework,waldenner/robotframework,fiuba08/robotframework,fiuba08/robotframework,fiuba08/robotframework,fiuba08/robotframework,fiuba08/robotframework,waldenner/robotframework,waldenner/robotframework,waldenner/robotframework