Clean up imports in DC, move data to forward folder. clean up init statements.

SimPEG/tests/__init__.py

@@ -1,2 +1,15 @@
 import TestUtils
 from TestUtils import checkDerivative, Rosenbrock, OrderTest, getQuadratic
+
+
+if __name__ == '__main__':
+    import os
+    import glob
+    import unittest
+    test_file_strings = glob.glob('test_*.py')
+    module_strings = [str[0:len(str)-3] for str in test_file_strings]
+    suites = [unittest.defaultTestLoader.loadTestsFromName(str) for str
+              in module_strings]
+    testSuite = unittest.TestSuite(suites)
+
+    unittest.TextTestRunner(verbosity=2).run(testSuite)