Pullup changes to trunk for RC2. Includes drag-fires click changes

(Closes #982), comment/documentation/requires changes (Closes #983, #993, #988),
Fixing post support in proxy.cgi (Closes #991), baseLayer zoom level change 
(Closes #990), typo in Layer.Image.setURL (Closes #985), and a fix or the
Layer.Google bug caused by Google's changing internals (#994). RC2, here we 
come.


git-svn-id: http://svn.openlayers.org/branches/openlayers/2.5@4390 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Control/OverviewMap.js

@@ -53,7 +53,7 @@ OpenLayers.Control.OverviewMap = OpenLayers.Class(OpenLayers.Control, {
 
     /**
      * APIProperty: minRatio
-     * {Numver} The ratio of the overview map resolution to the main map
+     * {Float} The ratio of the overview map resolution to the main map
      * resolution at which to zoom farther out on the overview map.
      */
     minRatio: 8,