Automatically name page files by object key.

This removes the `dest` key in the pages.json
and retrieves the filename automatically.

Unfortunately this adds another dependency as
we need to deep-extend the object but I think
this is worth it.

This is part of #131 and targets #123.

grunt/options/concat.js

@@ -4,7 +4,17 @@
 'use strict';
 
 var xtend = require('xtend');
+var deepExtend = require('deep-extend');
 var pages = require('../../pages');
 var config = require('../config');
+var pageName;
+var pagePath;
+
+// Extend the pages object with the destination path of the page
+for (pageName in pages) {
+  pagePath = 'temp/' + pageName + '.html';
+
+  deepExtend(pages[pageName], { 'dest': pagePath });
+}
 
 module.exports = xtend(pages, config.concat || {});

package.json

@@ -22,6 +22,7 @@
     "requirejs": "2.1.15"
   },
   "devDependencies": {
+    "deep-extend": "^0.3.2",
     "glob": "4.3.0",
     "grunt": "0.4.5",
     "grunt-contrib-clean": "0.6.0",

pages.json

@@ -5,7 +5,6 @@
       "src/templates/index.html",
       "src/modules/module/module.html",
       "src/templates/footer.html"
-    ],
-    "dest": "temp/index.html"
+    ]
   }
 }