Test data now included in installation.

Updated the MANIFEST.in so all test data is now included in the
installation (fixes #1). Furthermore added a __main__.py to the tests
directory, so that the tests can now be run from the command line with
    python -m mtspec.tests

MANIFEST.in

@@ -1,14 +1,15 @@
-prune mtspec/src/bin
-prune mtspec/src/data
-prune mtspec/src/developing
-prune mtspec/src/doc
-prune mtspec/src/examples
-prune mtspec/src/gplot
-prune mtspec/src/libraries
-prune mtspec/src/makefiles
-prune mtspec/src/matlab
-prune mtspec/src/modules
-prune mtspec/src/plot
-prune mtspec/src/plotxy
-prune mtspec/src/programs
-prune mtspec/src/splines
+prune mtspec/src/data/*
+prune mtspec/src/developing/*
+prune mtspec/src/doc/*
+prune mtspec/src/examples/*
+prune mtspec/src/license/*
+prune mtspec/src/Makefile
+prune mtspec/src/makefiles/*
+prune mtspec/src/Makefile.win
+prune mtspec/src/matlab/*
+prune mtspec/src/plot/*
+prune mtspec/src/programs/*
+prune mtspec/src/README
+include mtspec/src/src/*
+include mtspec/VERSION.txt
+include mtspec/tests/data/*

README.md

@@ -38,6 +38,14 @@ python setup.py install
 pip install .
 ```
 
+### Running the tests
+
+Running the tests is a simple case of
+
+```bash
+python -m mtspec.tests
+```
+
 
 ### Notes
 

mtspec/tests/__main__.py

@@ -0,0 +1,25 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+"""
+Simple test runner so the tests can be run with
+
+python -m mtspec.tests
+
+:copyright:
+    Lion Krischer (krischer@geophysik.uni-muenchen.de), 2012
+:license:
+    GNU General Public License, Version 3
+    (http://www.gnu.org/copyleft/gpl.html)
+"""
+
+from mtspec.tests import test_multitaper
+import unittest
+
+
+def suite():
+    suite = unittest.TestSuite()
+    suite.addTest(test_multitaper.suite())
+    return suite
+
+if __name__ == '__main__':
+    unittest.main(defaultTest='suite')