Fxing breaking changes after upgarde in mage-minify task

Author: Igloczek

dev/tools/grunt/configs/mage-minify.json

@@ -1,8 +1,7 @@
 {
     "legacy": {
         "options": {
-            "type": "yui-js",
-            "tempPath": "pub/static/"
+            "compressor": "yui-js"
         },
         "files": {
             "<%= path.uglify.legacy %>": [
@@ -19,4 +18,4 @@
             ]
         }
     }
-}
+}

dev/tools/grunt/tasks/mage-minify.js

@@ -17,8 +17,8 @@ module.exports = function (grunt) {
      */
     function getConfig(options, file) {
         return _.extend({
-            fileIn: file.src,
-            fileOut: file.dest
+            input: file.src,
+            output: file.dest
         }, options);
     }
 
@@ -43,7 +43,7 @@ module.exports = function (grunt) {
                 }
             };
 
-            new compressor.minify(config);
+            compressor.minify(config);
         });
     });
 };