added minzoom config.js setting

config.js

@@ -2,6 +2,7 @@
   var config = {
     tileSize:     384,
     defaultZoom:  2,
+    minZoom:      {minzoom},
     maxZoom:      {maxzoom},
     // center on this point, in world coordinates, ex:
     //center:       [0,0,0],

googlemap.py

@@ -89,6 +89,8 @@ class MapGen(object):
         configpath = os.path.join(util.get_program_path(), "config.js")
 
         config = open(configpath, 'r').read()
+        config = config.replace(
+                "{minzoom}", str(0))
         config = config.replace(
                 "{maxzoom}", str(zoomlevel))
         

web_assets/functions.js

@@ -659,7 +659,7 @@ for (idx in mapTypeData) {
         getTileUrl: getTileUrlGenerator(view.path, view.base, imgformat),
         tileSize: new google.maps.Size(config.tileSize, config.tileSize),
         maxZoom:  config.maxZoom,
-        minZoom:  0,
+        minZoom:  config.minZoom,
         isPng:    !(imgformat.match(/^png$/i) == null)
     };