jsdoc and add file manager

lib/less/plugin-manager.js

@@ -11,6 +11,11 @@ PluginManager.prototype.addPlugin = function(plugin, options) {
     this.installedPlugins.push(plugin);
     plugin.install(this.less, this, options);
 };
+/**
+ * Adds a visitor. The visitor object has options on itself to determine
+ * when it should run.
+ * @param visitor
+ */
 PluginManager.prototype.addVisitor = function(visitor) {
     this.visitors.push(visitor);
 };
@@ -28,6 +33,18 @@ PluginManager.prototype.addPostProcessor = function(postProcessor, priority) {
     }
     this.postProcessors.splice(indexToInsertAt, 0, {postProcessor: postProcessor, priority: priority});
 };
+/**
+ * Adds a file manager
+ * @param manager
+ */
+PluginManager.prototype.addFileManager = function(manager) {
+    // TODO
+};
+/**
+ * Gets all post processors
+ * @returns {Array}
+ * @private
+ */
 PluginManager.prototype.getPostProcessors = function() {
     var postProcessors = [];
     for(var i = 0; i < this.postProcessors.length; i++) {
@@ -35,6 +52,11 @@ PluginManager.prototype.getPostProcessors = function() {
     }
     return postProcessors;
 };
+/**
+ * Get all visitors
+ * @returns {Array}
+ * @private
+ */
 PluginManager.prototype.getVisitors = function() {
     return this.visitors;
 };