move to PostCSS 5.0. Fixes #13

.travis.yml

@@ -3,5 +3,4 @@ language: node_js
 node_js:
   - iojs
   - "0.12"
-  - "0.10"
   - "4"

package.json

@@ -34,25 +34,24 @@
   },
   "homepage": "https://github.com/simplaio/rucksack",
   "dependencies": {
-    "autoprefixer": "^5.2.0",
+    "autoprefixer": "^6.0.0",
     "minimist": "^1.1.2",
-    "postcss": "^4.1.9",
-    "postcss-alias": "^0.1.0",
-    "postcss-clearfix": "0.1.4",
-    "postcss-color-palette": "0.0.3",
-    "postcss-color-rgba-fallback": "^1.3.0",
-    "postcss-easings": "^0.2.0",
-    "postcss-epub": "^2.3.0",
-    "postcss-fontpath": "^0.1.0",
-    "postcss-hexrgba": "^0.1.0",
-    "postcss-input-style": "^0.2.4",
-    "postcss-opacity": "^2.0.0",
-    "postcss-position": "^0.3.0",
-    "postcss-pseudoelements": "^2.2.0",
-    "postcss-quantity-queries": "^0.3.1",
-    "postcss-reporter": "^0.4.0",
-    "postcss-responsive-type": "^0.2.0",
-    "postcss-vmin": "^1.0.0",
+    "postcss": "^5.0.0",
+    "postcss-alias": "^0.2.2",
+    "postcss-clearfix": "0.2.0",
+    "postcss-color-rgba-fallback": "^2.0.0",
+    "postcss-easings": "^0.3.0",
+    "postcss-epub": "^3.0.0",
+    "postcss-fontpath": "^0.2.0",
+    "postcss-hexrgba": "^0.2.0",
+    "postcss-input-style": "^0.3.0",
+    "postcss-opacity": "git://github.com/seaneking/postcss-opacity.git",
+    "postcss-position": "^0.4.0",
+    "postcss-pseudoelements": "^3.0.0",
+    "postcss-quantity-queries": "^0.4.0",
+    "postcss-reporter": "^1.0.0",
+    "postcss-responsive-type": "^0.3.0",
+    "postcss-vmin": "git://github.com/seaneking/postcss-vmin.git",
     "read-file-stdin": "^0.2.0",
     "write-file-stdout": "0.0.2"
   },