Install "patch-package" package, to patch panini to make it work with absolute paths and add patch

See: foundation/panini#169

Author: marvinhuebner

package.json

@@ -58,6 +58,7 @@
     "stylelint-config-standard": "~18.2.0"
   },
   "scripts": {
+    "prepare": "patch-package",
     "babel": "gulp babel",
     "clean": "gulp clean",
     "csslint": "gulp csslint",
@@ -73,5 +74,9 @@
     "watch": "gulp watch",
     "email": "gulp email",
     "test": "./node_modules/eslint/bin/eslint.js *.js helper/*.js task/*.js"
+  },
+  "devDependencies": {
+    "patch-package": "^5.1.1",
+    "postinstall-prepare": "^1.0.1"
   }
 }

patches/panini+1.6.3.patch

@@ -0,0 +1,17 @@
+patch-package
+--- a/node_modules/panini/lib/utils.js
++++ b/node_modules/panini/lib/utils.js
+@@ -16,7 +16,12 @@ exports.loadFiles = function(dir, pattern) {
+   dir = !Array.isArray(dir) ? [dir] : dir;
+ 
+   for (var i in dir) {
+-    files = files.concat(glob.sync(path.join(process.cwd(), dir[i], pattern)));
++    var filePath = [process.cwd(), dir[i], pattern];
++    if(path.isAbsolute(dir[i])) {
++      filePath.shift();
++    }
++
++    files = files.concat(glob.sync(path.join.apply(null, filePath)));
+   }
+ 
+   return files;