Updated dependencies' versions

package.json

@@ -6,16 +6,16 @@
 		"start": "gulp"
 	},
 	"devDependencies": {
-    "concurrently": "^2.2.0",
-    "lite-server": "^2.2.2",
+		"concurrently": "^3.4.0",
+		"lite-server": "^2.3.0",
 		"gulp": "^3.9.1",
-    "gulp-less": "^3.1.0",
+		"gulp-less": "^3.3.0",
 		"gulp-cssnano": "^2.1.2",
-    "gulp-uglify": "^2.0.0",
+		"gulp-uglify": "^2.1.0",
 		"gulp-rename": "^1.2.2",
-    "gulp-concat": "^2.6.0",
-    "gulp-html-replace": "^1.6.1",
-    "gulp-htmlmin": "^2.0.0",
+		"gulp-concat": "^2.6.1",
+		"gulp-html-replace": "^1.6.2",
+		"gulp-htmlmin": "^3.0.0",
 		"del": "^2.2.2"
 	}
 }