add top level python makefile

src/python/Makefile

+TOP=../../..
+
+all install: dist
+
+clean clean-all clean-install distclean: pyc-clean
+
+.PHONY: pyc-clean
+pyc-clean:
+	rm -f `find . -name '*.pyc'`
+
+# For compiling from command line, we have to use generic build properties file
+.PHONY: dist
+dist: 
+
+