adds setWrapLimit to session

lib/ace/edit_session.js

@@ -1612,7 +1612,18 @@ var EditSession = function(text, mode) {
     this.getWrapLimit = function() {
         return this.$wrapLimit;
     };
-
+    
+    /**
+     * Sets the line length for soft wrap in the editor. Lines will break
+     *  at a minimum of the given length minus 20 chars and at a maximum
+     *  of the given number of chars.
+     * @param {number} limit The maximum line length in chars, for soft
+     *  wrapping lines.
+     */
+    this.setWrapLimit = function (limit) {
+        this.setWrapLimitRange(limit - 20, limit);
+    };
+    
     /**
     * Returns an object that defines the minimum and maximum of the wrap limit; it looks something like this:
     *

lib/ace/ext/show_settings_menu.js

@@ -69,12 +69,6 @@ define(function(require, exports, module) {
     function addFunctionsForSettingsMenu (editor) {
         // when building the settings menu matching get and set functions
         // must be found or the function will be ignored
-
-        // this allows the settings menu to supply a wrap limit
-        // using a text input field easily
-        editor.session.setWrapLimit = function (limit) {
-            editor.session.setWrapLimitRange(limit - 20, limit);
-        };
     }
     /**
      * Generates a list of set functions for the settings menu.