Add support for Google Maps language and region

Author: alfredopironti

flask_googlemaps/__init__.py

@@ -19,6 +19,8 @@ def __init__(self,
                  varname='map',
                  style="height:300px;width:300px;margin:0;",
                  cls="map",
+                 language="en",
+                 region="US",
                  rectangles=None,
                  circles=None,
                  polylines=None,
@@ -38,6 +40,8 @@ def __init__(self,
         """Builds the Map properties"""
         self.cls = cls
         self.style = style
+        self.language = language
+        self.region = region
         self.varname = varname
         self.center = (lat, lng)
         self.zoom = zoom

flask_googlemaps/templates/googlemaps/gmapjs.html

@@ -1,9 +1,9 @@
 
 {%  if not is_googlemaps_loaded()  %}
     {% if GOOGLEMAPS_KEY %}
-        <script src="//maps.googleapis.com/maps/api/js?key={{GOOGLEMAPS_KEY}}" type="text/javascript"></script>
+        <script src="//maps.googleapis.com/maps/api/js?key={{GOOGLEMAPS_KEY}}&language={{gmap.language}}&region={{gmap.region}}" type="text/javascript"></script>
     {%  else %}
-        <script src="//maps.googleapis.com/maps/api/js" type="text/javascript"></script>
+        <script src="//maps.googleapis.com/maps/api/js?language={{gmap.language}}&region={{gmap.region}}" type="text/javascript"></script>
     {%  endif %}
     {{ set_googlemaps_loaded() }}
 {% endif %}