Give enable/disable functions and enabled property to waypoints

Author: Lukas Appelhans

lib/shortcuts/inview.js

@@ -79,7 +79,8 @@ https://github.com/imakewebthings/waypoints/blog/master/licenses.txt
         }
       }(config)),
       offset: config.offset,
-      horizontal: this.options.horizontal
+      horizontal: this.options.horizontal,
+      enabled: this.options.enabled
     }))
   }
 
@@ -90,6 +91,18 @@ https://github.com/imakewebthings/waypoints/blog/master/licenses.txt
     }
     this.waypoints = []
   }
+  
+  Inview.prototype.disable = function() {
+    for (var i = 0, end = this.waypoints.length; i < end; i++) {
+      this.waypoints[i].disable()
+    }
+  }
+  
+  Inview.prototype.enable = function() {
+    for (var i = 0, end = this.waypoints.length; i < end; i++) {
+      this.waypoints[i].enable()
+    }
+  }
 
   Inview.defaults = {
     enter: noop,