Added simple script to profile testsuite execution.

python/js-beautify-profile

@@ -0,0 +1,16 @@
+#! /usr/bin/env python
+
+import sys
+import unittest
+
+#Speedup things...
+try:
+    import cProfile as profile
+except ImportError:
+    import profile
+
+def run():
+    sys.argv.append('discover')
+    unittest.main()
+
+profile.run('run()')