Make features accessible from root

Author: themiurgo

folium/__init__.py

@@ -3,4 +3,9 @@
 
 __version__ = '0.2.0.dev'
 
-from folium.folium import Map, initialize_notebook
+from folium.folium import Map, initialize_notebook, CircleMarker,
+    FeatureGroup,FitBounds,Icon,LayerControl,Map,Marker,Popup,TileLayer,
+    ClickForMarker, ColorScale, CustomIcon(Icon), DivIcon, GeoJson, GeoJsonStyle,
+    ImageOverlay, LatLngPopup, MarkerCluster, MultiPolyLine, PolyLine,
+    RegularPolygonMarker, TopoJson, Vega, WmsTileLayer,
+