fix setMinZoom/setMaxZoom

when view has resolutions property, setMinZoom/setMaxZoom doesn't work.

src/ol/interaction/interaction.js

@@ -6,6 +6,7 @@ goog.require('ol');
 goog.require('ol.Object');
 goog.require('ol.easing');
 goog.require('ol.interaction.Property');
+goog.require('ol.math');
 
 
 /**
@@ -180,6 +181,12 @@ ol.interaction.Interaction.zoom = function(view, resolution, opt_anchor, opt_dur
 ol.interaction.Interaction.zoomByDelta = function(view, delta, opt_anchor, opt_duration) {
   var currentResolution = view.getResolution();
   var resolution = view.constrainResolution(currentResolution, delta, 0);
+  var resolutions = view.getResolutions();
+
+  resolution = ol.math.clamp(
+      resolution,
+      view.getMinResolution() || resolutions[resolutions.length - 1],
+      view.getMaxResolution() || resolutions[0]);
 
   // If we have a constraint on center, we need to change the anchor so that the
   // new center is within the extent. We first calculate the new center, apply