message: update heat_sst.xml to match the other configs
diff: <io name="writer">
  <engine type="SST">
  -
  - <!-- for vectorized memory operations, make sure your system
  - enables threads-->
  - <parameter key="Threads" value="2"/>
  -
  - <!-- Microseconds (default), Milliseconds, Seconds,
  - Minutes, Hours -->
  - <parameter key="ProfileUnits" value="Microseconds"/>
  -
  </engine>
  -
  - <transport type="File">
  -
  - <!-- POSIX, stdio (C FILE*), fstream (C++) -->
  - <parameter key="Library" value="MPI"/>
  -
  - <!-- For read/write, Microseconds (default), Milliseconds, Seconds,
  - Minutes, Hours. open/close always in Microseconds -->
  - <parameter key="ProfileUnits" value="Microseconds"/>
  -
  - </transport>
  -
  </io>
  - <!--====================================
  - Configuration for the Reader
  - ====================================-->
  + <!--======================================
  + Configuration for the Reader Input
  + ======================================-->
  - <io name="reader">
  + <io name="readerInput">
  <engine type="SST">
  -
  - <!-- for vectorized memory operations, make sure your system
  - enables threads-->
  - <parameter key="Threads" value="2"/>
  -
  - <!-- Microseconds (default), Milliseconds, Seconds,
  - Minutes, Hours -->
  - <parameter key="ProfileUnits" value="Microseconds"/>
  -
  </engine>
  + </io>
  - <transport type="File">
  -
  - <!-- POSIX, stdio (C FILE*), fstream (C++) -->
  - <parameter key="Library" value="POSIX"/>
  -
  - <!-- For read/write, Microseconds (default), Milliseconds, Seconds,
  - Minutes, Hours. open/close always in Microseconds -->
  - <parameter key="ProfileUnits" value="Microseconds"/>
  - </transport>
  + <!--=======================================
  + Configuration for the Reader output
  + =======================================-->
  + <io name="readerOutput">
  + <engine type="BPFile">
  + </engine>
  </io>
  +
  </adios-config>
  