By Eva Kuehnen FRANKFURT (Reuters) - German police used pepper spray and batons against thousands of anti-capitalist demonstrators from the Blockupy movement on Saturday during a second day of protests in Frankfurt against Europe's austerity policies. Planned rallies in struggling euro zone members Spain and Portugal drew fewer people than expected, but in Germany's financial capital around 7,000 protesters marched with signs reading "Make love, not war" and "IMF - get out of Greece". ...