message: Changed config.xml to defaults
diff: <!-- XXKb, XXMb, or XXXGb supported, default=16Kb
  (applications might choose an optimal value) -->
  - <!--<parameter key="InitialBufferSize" value="16Mb"/> -->
  + <!--<parameter key="InitialBufferSize" value="16Kb"/> -->
  - <!-- XXKb, XXMb, or XXXGb supported, default=200Mb
  + <!-- XXKb, XXMb, or XXXGb supported, default=Unlimited or
  + maximum at each time step
  (applications might choose an optimal value) -->
  - <!-- <parameter key="MaxBufferSize" value="20Mb"/> -->
  + <!-- <parameter key="MaxBufferSize" value="50Mb"/> -->
  - <!-- exponential growth factor > 1, default = 2 (as in the STL)
  - for this case: 1, 2, 4, 8, 16, 20 Mb -->
  - <parameter key="BufferGrowthFactor" value="2"/>
  + <!-- exponential growth factor > 1, default = 1.05 -->
  + <parameter key="BufferGrowthFactor" value="1.05"/>
  </engine>
  