Update dev dependencies to latest versions

Author: samclarke

Gruntfile.js

@@ -98,7 +98,7 @@ module.exports = function(grunt) {
 			build: {
 				options: {
 					paths: ["src/themes/"],
-					yuicompress: true
+					cleancss: true
 				},
 				files: [
 					{expand: true, filter: 'isFile', cwd: 'src/themes/', src: ['*'], dest: 'minified/themes/', ext: '.min.css'}

minified/jquery.sceditor.default.min.css

@@ -12,16 +12,16 @@
 		"test": "grunt test"
 	},
 	"devDependencies": {
-		"grunt": "~0.4.1",
-		"grunt-cli": "~0.1.7",
-		"grunt-contrib-jshint": "~0.6.3",
-		"grunt-contrib-qunit": "~0.2.1",
+		"grunt": "~0.4.4",
+		"grunt-cli": "~0.1.13",
+		"grunt-contrib-jshint": "~0.10.0",
+		"grunt-contrib-qunit": "~0.4.0",
 		"grunt-contrib-clean": "~0.5.0",
-		"grunt-contrib-copy": "~0.4.1",
-		"grunt-contrib-concat": "~0.3.0",
-		"grunt-contrib-uglify": "~0.2.4",
-		"grunt-contrib-less": "~0.7.0",
-		"grunt-contrib-compress": "~0.5.0",
-		"grunt-contrib-cssmin": "~0.6.0"
+		"grunt": "~0.4.4",
+		"grunt-contrib-concat": "~0.4.0",
+		"grunt-contrib-uglify": "~0.4.0",
+		"grunt-contrib-less": "~0.11.0",
+		"grunt-contrib-compress": "~0.8.0",
+		"grunt-contrib-cssmin": "~0.9.0"
 	}
 }