Introduced "ol.API" @define which will allow in future to compile HPI apps with the OL. Discussed in ol3-sprint mailing-list.

src/ol/base.js

@@ -12,12 +12,19 @@ ol.error = function(message) {
     }
 };
 
+/**
+ * Compilation with public API, let's accept options from external world
+ * @define {boolean}
+ */
+ol.API = true;
+
 /**
  * @define {boolean}
  */
 ol.error.VERBOSE_ERRORS = true;
 
 /**
+ * Options passed in the API from external world are checked for wrong keys
  * @define {boolean}
  */
 ol.CHECK_KEYS = true;