Merge branch 'python-MEE' into 'master'

Mission Execution Engine implementation in python, which takes AVCL files as...

See merge request !2

build.xml

@@ -673,10 +673,15 @@ POSSIBILITY OF SUCH DAMAGE.
         <exec executable="python"  dir="." vmlauncher="false">
             <arg value="--version"/>
         </exec>
-        <!-- Note that Ant will not work with interactive command-line invocation of missions -->
-        <!-- TODO Jon will add single-mission and all-mission execution options -->
         <exec executable="python"  dir="." vmlauncher="false">
             <arg value="missions/python/MissionExecutionEngine.py"/>
+            <arg value="--help"/>
+        </exec>
+        <exec executable="python"  dir="." vmlauncher="false">
+            <arg value="missions/python/MissionExecutionEngine.py"/>
+            <arg value="--exhaustively-test-all-standard-library-missions"/>
+            <arg value="--exhaustive-testing-max-runs-per-mission"/>
+            <arg value="2000"/>
         </exec>
         <!-- verbose results are OK, they go into the build log for ongoing comparison/confirmation -->
     </target>