Removed useless imports and added README

examples/flaskr/README

@@ -0,0 +1,26 @@
+
+                         / Flaskr /
+
+                 a minimal blog application
+
+
+    ~ What is Flask?
+
+      A sqlite powered thumble blog application
+
+    ~ How do I use it?
+
+      1. edit the configuration in the flaskr.py file
+
+      2. fire up a python shell and run this:
+
+         >>> from flaskr import init_db; init_db()
+
+      3. now you can run the flaskr.py file with your
+         python interpreter and the application will
+         greet you on http://localhost:5000/
+	
+    ~ Is it tested?
+
+      You betcha.  Run the `flaskr_tests.py` file to see
+      the tests pass.