Branching Fraction Measurements of the Color-Suppressed Decays $\bar{B}^0 \to D^{(*)0} \pi^0$, $D^{(*)0} \eta$, $D^{(*)0} \omega$, and $D^{(*)0} \eta^\prime$ and Measurement of the Polarization in the Decay $\bar{B}^0 \to D^{*0} \omega$