Rename customOutput to customOutputs to match documentation.

Author: sapegin

Gruntfile.js

@@ -288,7 +288,7 @@ module.exports = function(grunt) {
 				options: {
 					dest: 'test/tmp/custom_output_icons',
 					destCss: 'test/tmp/custom_output_css',
-					customOutput: [{
+					customOutputs: [{
 						template: 'test/templates/custom.js',
 						dest: 'test/tmp/custom_output/test-icon-config.js'
 					}, {

tasks/webfont.js

@@ -104,7 +104,7 @@ module.exports = function(grunt) {
 			descent: options.descent !== undefined ? options.descent : 64,
 			cache: options.cache || path.join(__dirname, '..', '.cache'),
 			callback: options.callback,
-			customOutputs: options.customOutput
+			customOutputs: options.customOutputs
 		};
 
 		o = _.extend(o, {