Update dev dependencies

Author: philwareham

package.json

@@ -17,7 +17,7 @@
     "url": "https://github.com/textpattern/textpattern-jquery-ui-theme/issues"
   },
   "devDependencies": {
-    "autoprefixer": "6.4.1",
+    "autoprefixer": "6.5.0",
     "grunt": "~1.0",
     "grunt-cli": "~1",
     "grunt-concurrent": "2.3.1",
@@ -31,7 +31,7 @@
     "grunt-sass": "1.2.1",
     "grunt-sass-lint": "0.2.0",
     "load-grunt-tasks": "~3.5",
-    "node-sass": "3.10.0",
+    "node-sass": "3.10.1",
     "sass-lint": "1.9.1"
   },
   "scripts": {