imported gravatar and initialized default parameters

srctweb/website/__init__.py

 from flask import Flask
 
+from flask.ext.gravatar import Gravatar
+
 website = Flask(__name__)
 from website import views
+
+# initialize gravatar defaults
+gravatar = Gravatar(website,
+                    size = 80,
+                    rating='g',
+                    default='mm',
+                    force_default=False,
+                    use_ssl=False,
+                    base_url=None)