By Pavel Polityuk KYIV/MARIUPOL, Ukraine (Reuters) -Moscow wants to take full control over southern Ukraine, a Russian general said on Friday, a statement Ukraine said gave the lie to Russia’s previous assertions that it had no territorial ambitions. Rustam Minnekayev, deputy commander of Russia’s central military district, was quoted by Russian state news agencies as saying full control over southern Ukraine would give it access to Transnistria, a breakaway Russian-occupied part of Moldova in the west. That would cut off Ukraine’s entire coastline and mean Russian forces pushing hundreds of m…