Fix ugly Qt4 apps on Lubuntu and Xubuntu 12.04 Precise Pangolin

So far Lubuntu 12.04 Precise Pangolin turned out really great. But there's always that one thing, my VLC media player looks strange and doesn't fit in with the rest of my operating system. Apparently Qt4 apps in Lubuntu doesn't pick up correct GTK theme. To fix this issue you just need to install libgnome2-common package [...]