Added multilateration library mlat.py and test program mlat-test.py.

No integration into the application yet.

src/python/mlat-test.py

@@ -0,0 +1,7 @@
+#!/usr/bin/python
+import mlat
+import numpy
+
+ans = mlat.mlat(mlat.teststations, mlat.teststamps, mlat.testalt)
+error = numpy.linalg.norm(numpy.array(mlat.llh2ecef(ans))-numpy.array(mlat.testplane))
+print error